User contributions
- 02:34, 2 January 2019 (diff | hist) . . (+3) . . m 2015 AIME II Problems/Problem 13 (Product to sum identity was written wrong.)
- 20:02, 7 September 2018 (diff | hist) . . (+559) . . 2013 USAJMO Problems/Problem 1 (→Solution 4)
- 23:42, 11 May 2018 (diff | hist) . . (-42) . . m 1974 USAMO Problems/Problem 4 (→See Also) (current)
- 23:41, 11 May 2018 (diff | hist) . . (+361) . . 1974 USAMO Problems/Problem 2 (→Solution 3)
- 17:49, 14 April 2018 (diff | hist) . . (+4) . . m 2015 USAJMO Problems/Problem 1 (→Solution 2)
- 17:49, 14 April 2018 (diff | hist) . . (+144) . . m 2015 USAJMO Problems/Problem 1 (→Solution)
- 17:47, 14 April 2018 (diff | hist) . . (+1,013) . . 2015 USAJMO Problems/Problem 1 (→Solution)
- 15:15, 7 April 2018 (diff | hist) . . (-85) . . m 2014 USAJMO Problems/Problem 1 (→Solution)
- 19:27, 8 February 2018 (diff | hist) . . (+535) . . 2018 AMC 10A Problems/Problem 23 (→Solution 2)
- 18:41, 27 November 2017 (diff | hist) . . (+225) . . m 2017 AMC 8 Problems/Problem 22 (→Solution 3)
- 14:38, 23 August 2017 (diff | hist) . . (-268) . . 1972 AHSME Problems/Problem 30 (→Solution)
- 20:50, 22 August 2017 (diff | hist) . . (+1,107) . . N 1972 AHSME Problems/Problem 30 (Created page with "== Problem 30 == == Solution == Let the rectangle <math>ABCD</math> have crease <math>BE</math> with <math>E</math> on <math>CD</math>, and let <math>F</math> be on <math>A...")
- 12:22, 9 May 2017 (diff | hist) . . (-51) . . 1984 AIME Problems/Problem 13 (→Solution 4)
- 12:53, 3 March 2017 (diff | hist) . . (+2) . . m 1983 AIME Problems/Problem 9 (Fixed error)
- 15:14, 23 February 2017 (diff | hist) . . (+664) . . m 2015 AIME II Problems/Problem 8 (→Solution 1 (Proof without words))
- 14:53, 20 February 2017 (diff | hist) . . (+4) . . m 2007 AIME II Problems/Problem 12 (→Solution 2)
- 14:52, 20 February 2017 (diff | hist) . . (+569) . . m 2007 AIME II Problems/Problem 12 (→Solution)
- 13:06, 17 February 2017 (diff | hist) . . (+415) . . m 2017 AMC 10B Problems/Problem 17 (→Solution 2)
- 19:26, 16 February 2017 (diff | hist) . . (+345) . . m 2017 AMC 10B Problems/Problem 17 (→Solution)
- 13:32, 16 February 2017 (diff | hist) . . (+24) . . m 2017 AMC 10B Problems/Problem 17 (→Solution)
- 13:32, 16 February 2017 (diff | hist) . . (+274) . . 2017 AMC 10B Problems/Problem 17 (→Solution)
- 13:30, 16 February 2017 (diff | hist) . . (+412) . . m 2017 AMC 10B Problems/Problem 18 (→Solution)
- 13:26, 16 February 2017 (diff | hist) . . (+641) . . m 2017 AMC 10B Problems (→Problem 19)
- 13:25, 16 February 2017 (diff | hist) . . (+345) . . m 2017 AMC 10B Problems (→Problem 20)
- 13:19, 16 February 2017 (diff | hist) . . (+458) . . m 2017 AMC 10B Problems (→Problem 12)
- 13:18, 16 February 2017 (diff | hist) . . (+1) . . 2017 AMC 10B Problems/Problem 12 (→Solution)
- 13:14, 16 February 2017 (diff | hist) . . (+461) . . m 2017 AMC 10B Problems/Problem 12 (→Solution)
- 13:04, 16 February 2017 (diff | hist) . . (+458) . . m 2017 AMC 10B Problems/Problem 12 (→Problem)
- 12:57, 16 February 2017 (diff | hist) . . (+473) . . m 2017 AMC 10B Problems/Problem 22 (→Solution)
- 12:51, 16 February 2017 (diff | hist) . . (+330) . . m 2017 AMC 10B Problems (→Problem 6)
- 12:51, 16 February 2017 (diff | hist) . . (+348) . . m 2017 AMC 10B Problems (→Problem 5)
- 12:49, 16 February 2017 (diff | hist) . . (+330) . . m 2017 AMC 10B Problems (→Problem 3)
- 12:47, 16 February 2017 (diff | hist) . . (+277) . . m 2017 AMC 10B Problems/Problem 5 (→Solution)
- 12:45, 16 February 2017 (diff | hist) . . (+3) . . m 2017 AMC 10B Problems/Problem 3 (→Solution)
- 12:44, 16 February 2017 (diff | hist) . . (+561) . . m 2017 AMC 10B Problems/Problem 3 (→Solution)
- 12:39, 16 February 2017 (diff | hist) . . (+292) . . m 2017 AMC 10B Problems/Problem 3 (→Solution)
- 12:36, 16 February 2017 (diff | hist) . . (+78) . . m 2017 AMC 10B Problems/Problem 25 (→Solution 1)
- 12:31, 16 February 2017 (diff | hist) . . (+562) . . m 2017 AMC 10B Problems/Problem 23 (→Solution)
- 13:01, 10 January 2017 (diff | hist) . . (+31) . . m 1979 AHSME Problems/Problem 24 (→Solution)
- 13:00, 10 January 2017 (diff | hist) . . (+657) . . N 1979 AHSME Problems/Problem 24 (Created page with "== Problem 24 == Sides <math>AB,~ BC</math>, and <math>CD</math> of (simple*) quadrilateral <math>ABCD</math> have lengths <math>4,~ 5</math>, and <math>20</math>, respectiv...")
- 12:59, 10 January 2017 (diff | hist) . . (+120) . . m 1979 AHSME Problems/Problem 25 (→Solution)
- 12:58, 10 January 2017 (diff | hist) . . (-1) . . 1979 AHSME Problems/Problem 25
- 12:57, 10 January 2017 (diff | hist) . . (+1,185) . . N 1979 AHSME Problems/Problem 25 (Created page with "== Problem 25 == If <math>q_1 ( x )</math> and <math>r_ 1</math> are the quotient and remainder, respectively, when the polynomial <math>x^ 8</math> is divided by <math>x +...")
- 13:27, 9 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 23 (→Solution)
- 13:27, 9 January 2017 (diff | hist) . . (+1,280) . . N 1979 AHSME Problems/Problem 23 (Created page with "== Problem 23 == The edges of a regular tetrahedron with vertices <math>A ,~ B,~ C</math>, and <math>D</math> each have length one. Find the least possible distance between...")
- 13:18, 9 January 2017 (diff | hist) . . (+815) . . N 1979 AHSME Problems/Problem 22 (Created page with "== Problem 22 == Find the number of pairs <math>(m, n)</math> of integers which satisfy the equation <math>m^3 + 6m^2 + 5m = 27n^3 + 9n^2 + 9n + 1</math>. <math>\textbf{(A)...")
- 13:06, 9 January 2017 (diff | hist) . . (+1,479) . . N 1979 AHSME Problems/Problem 21 (Created page with "== Problem 21 == The length of the hypotenuse of a right triangle is <math>h</math> , and the radius of the inscribed circle is <math>r</math>. The ratio of the area of th...") (current)
- 12:51, 9 January 2017 (diff | hist) . . (+6) . . m 1979 AHSME Problems/Problem 20 (→Solution)
- 12:50, 9 January 2017 (diff | hist) . . (+1,651) . . N 1979 AHSME Problems/Problem 20 (Created page with "== Problem 20 == If <math>a=\tfrac{1}{2}</math> and <math>(a+1)(b+1)=2</math> then the radian measure of <math>\arctan a + \arctan b</math> equals <math>\textbf{(A) }\frac{...")
- 12:37, 9 January 2017 (diff | hist) . . (+45) . . m 1999 AHSME Problems/Problem 20 (→See also)
- 12:33, 9 January 2017 (diff | hist) . . (+1,057) . . N 1979 AHSME Problems/Problem 19 (Created page with "== Problem 19 == Find the sum of the squares of all real numbers satisfying the equation <math>x^{256}-256^{32}=0</math>. <math>\textbf{(A) }8\qquad \textbf{(B) }128\qquad...")
- 16:07, 8 January 2017 (diff | hist) . . (-1) . . m 1979 AHSME Problems/Problem 18 (→Solution) (current)
- 16:06, 8 January 2017 (diff | hist) . . (+1,070) . . N 1979 AHSME Problems/Problem 18 (Created page with "== Problem 18 == To the nearest thousandth, <math>\log_{10}2</math> is <math>.301</math> and <math>\log_{10}3</math> is <math>.477</math>. Which of the following is the bes...")
- 13:45, 6 January 2017 (diff | hist) . . (+2,218) . . N 1979 AHSME Problems/Problem 17 (Created page with "== Problem 17 == <asy> size(200); dotfactor=3; pair A=(0,0),B=(1,0),C=(2,0),D=(3,0),X=(1.2,0.7); draw(A--D); dot(A);dot(B);dot(C);dot(D); draw(arc((0.4,0.4),0.4,180,110),arr...") (current)
- 13:28, 6 January 2017 (diff | hist) . . (+976) . . N 1979 AHSME Problems/Problem 16 (Created page with "== Problem 16 == A circle with area <math>A_1</math> is contained in the interior of a larger circle with area <math>A_1+A_2</math>. If the radius of the larger circle is <m...") (current)
- 13:21, 6 January 2017 (diff | hist) . . (+1) . . m 1979 AHSME Problems/Problem 15 (→Solution) (current)
- 13:21, 6 January 2017 (diff | hist) . . (+1) . . m 1979 AHSME Problems/Problem 15 (→Solution)
- 13:20, 6 January 2017 (diff | hist) . . (+1,318) . . N 1979 AHSME Problems/Problem 15 (Created page with "== Problem 15 == Two identical jars are filled with alcohol solutions, the ratio of the volume of alcohol to the volume of water being <math>p : 1</math> in one jar and <m...")
- 13:10, 6 January 2017 (diff | hist) . . (+2) . . m 1979 AHSME Problems/Problem 14 (→Solution) (current)
- 13:10, 6 January 2017 (diff | hist) . . (+1,098) . . N 1979 AHSME Problems/Problem 14 (Created page with "== Problem 14 == In a certain sequence of numbers, the first number is <math>1</math>, and, for all <math>n\ge 2</math>, the product of the first <math>n</math> numbers in...")
- 13:05, 6 January 2017 (diff | hist) . . (+14) . . m 1979 AHSME Problems/Problem 13 (→Solution) (current)
- 13:05, 6 January 2017 (diff | hist) . . (+2) . . m 1979 AHSME Problems/Problem 13 (→Solution)
- 13:05, 6 January 2017 (diff | hist) . . (+792) . . N 1979 AHSME Problems/Problem 13 (Created page with "== Problem 13 == The inequality <math>y-x<\sqrt{x^2}</math> is satisfied if and only if <math>\textbf{(A) }y<0\text{ or }y<2x\text{ (or both inequalities hold)}\qquad \tex...")
- 12:58, 6 January 2017 (diff | hist) . . (+8) . . m 1979 AHSME Problems/Problem 12 (→Solution)
- 12:57, 6 January 2017 (diff | hist) . . (+571) . . m 1979 AHSME Problems/Problem 12 (→Solution)
- 12:37, 6 January 2017 (diff | hist) . . (+1,264) . . N 1979 AHSME Problems/Problem 12 (Created page with "== Problem 12 == <asy> size(200); pair A=(-2,0),B,C=(-1,0),D=(1,0),EE,O=(0,0); draw(arc(O,1, 0, 180)); EE=midpoint(arc(O,1, 0, 90)); draw(A--EE); draw(A--D); B=intersection...")
- 12:33, 6 January 2017 (diff | hist) . . (+304) . . m 1979 AHSME Problems/Problem 10 (→Solution) (current)
- 12:28, 6 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 11 (→See also) (current)
- 12:28, 6 January 2017 (diff | hist) . . (-1) . . m 1979 AHSME Problems/Problem 11 (→See also)
- 12:27, 6 January 2017 (diff | hist) . . (+784) . . N 1979 AHSME Problems/Problem 11 (Created page with "== Problem 11 == Find a positive integral solution to the equation <math>\frac{1+3+5+\dots+(2n-1)}{2+4+6+\dots+2n}=\frac{115}{116}</math> <math>\textbf{(A) }110\qquad \text...")
- 13:24, 5 January 2017 (diff | hist) . . (+606) . . N 1979 AHSME Problems/Problem 10 (Created page with "== Problem 10 == If <math>P_1P_2P_3P_4P_5P_6</math> is a regular hexagon whose apothem (distance from the center to midpoint of a side) is <math>2</math>, and <math>Q_i</ma...")
- 13:17, 5 January 2017 (diff | hist) . . (+663) . . N 1979 AHSME Problems/Problem 9 (Created page with "== Problem 9 == The product of <math>\sqrt[3]{4}</math> and <math>\sqrt[4]{8}</math> equals <math>\textbf{(A) }\sqrt[7]{12}\qquad \textbf{(B) }2\sqrt[7]{12}\qquad \textbf{...") (current)
- 13:12, 5 January 2017 (diff | hist) . . (+1,016) . . N 1979 AHSME Problems/Problem 8 (Created page with "== Problem 8 == Find the area of the smallest region bounded by the graphs of <math>y=|x|</math> and <math>x^2+y^2=4</math>. <math>\textbf{(A) }\frac{\pi}{4}\qquad \textbf{...") (current)
- 13:05, 5 January 2017 (diff | hist) . . (-2) . . m 1979 AHSME Problems/Problem 6 (→See also) (current)
- 13:05, 5 January 2017 (diff | hist) . . (+743) . . N 1979 AHSME Problems/Problem 7 (Created page with "== Problem 7 == The square of an integer is called a perfect square. If <math>x</math> is a perfect square, the next larger perfect square is <math>\textbf{(A) }x+1\qquad \...") (current)
- 13:01, 5 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 6 (→See also)
- 13:00, 5 January 2017 (diff | hist) . . (+688) . . N 1979 AHSME Problems/Problem 6 (Created page with "== Problem 6 == <math>\frac{3}{2}+\frac{5}{4}+\frac{9}{8}+\frac{17}{16}+\frac{33}{32}+\frac{65}{64}-7=</math> <math>\textbf{(A) }-\frac{1}{64}\qquad \textbf{(B) }-\frac{1}{...")
- 12:54, 5 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 5 (→See also) (current)
- 12:50, 5 January 2017 (diff | hist) . . (-1) . . m 1979 AHSME Problems/Problem 5 (→See also)
- 12:49, 5 January 2017 (diff | hist) . . (+1) . . m 1979 AHSME Problems/Problem 3 (→See also)
- 12:48, 5 January 2017 (diff | hist) . . (+1) . . m 1979 AHSME Problems/Problem 1 (→See also) (current)
- 12:47, 5 January 2017 (diff | hist) . . (-4) . . AoPS Wiki:Tutorial (→Learning About AoPSWiki)
- 12:47, 5 January 2017 (diff | hist) . . (+157) . . AoPS Wiki:Tutorial (Undo revision 82179 by E power pi times i (talk))
- 12:40, 5 January 2017 (diff | hist) . . (-144) . . m AoPS Wiki:Tutorial (→Creating an Article)
- 12:29, 5 January 2017 (diff | hist) . . (+787) . . N 1979 AHSME Problems/Problem 5 (Created page with "== Problem 5 == Find the sum of the digits of the largest even three digit number (in base ten representation) which is not changed when its units and hundreds digits are i...")
- 13:31, 3 January 2017 (diff | hist) . . (+425) . . N 1979 AHSME Problems/Problem 4 (Created page with "== Problem 4 == For all real numbers <math>x, x[x\{x(2-x)-4\}+10]+1=</math> <math>\textbf{(A) }-x^4+2x^3+4x^2+10x+1\qquad \textbf{(B) }-x^4-2x^3+4x^2+10x+1\qquad\\ \textbf...") (current)
- 13:29, 3 January 2017 (diff | hist) . . (-7) . . m 1979 AHSME Problems/Problem 3 (→See also)
- 13:28, 3 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 3 (→See also)
- 13:28, 3 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 3 (→Solution)
- 13:27, 3 January 2017 (diff | hist) . . (+1) . . m 1979 AHSME Problems/Problem 3 (→Solution)
- 13:27, 3 January 2017 (diff | hist) . . (+4) . . m 1979 AHSME Problems/Problem 3 (→Solution)
- 13:26, 3 January 2017 (diff | hist) . . (+1,071) . . N 1979 AHSME Problems/Problem 3 (Created page with "== Problem 3 == <asy> real s=sqrt(3)/2; draw(box((0,0),(1,1))); draw((1+s,0.5)--(1,1)); draw((1+s,0.5)--(1,0)); draw((0,1)--(1+s,0.5)); label("$A$",(1,1),N); label("$B$",(1...")
- 13:22, 3 January 2017 (diff | hist) . . (+115) . . m 1979 AHSME Problems/Problem 2 (→Solution)
- 13:19, 3 January 2017 (diff | hist) . . (+290) . . m 1979 AHSME Problems/Problem 2 (→Solution)
- 13:17, 3 January 2017 (diff | hist) . . (0) . . m 1979 AHSME Problems/Problem 1 (→See also)
- 13:17, 3 January 2017 (diff | hist) . . (+129) . . m 1979 AHSME Problems/Problem 1 (→Solution)
- 13:16, 3 January 2017 (diff | hist) . . (+942) . . N 1979 AHSME Problems/Problem 1 (Created page with "== Problem 1 == <asy> draw((-2,1)--(2,1)--(2,-1)--(-2,-1)--cycle); draw((0,0)--(0,-1)--(-2,-1)--(-2,0)--cycle); label("$F$",(0,0),E); label("$A$",(-2,1),W); label("$B$",(2,1)...")
- 12:55, 3 January 2017 (diff | hist) . . (+496) . . 1986 AHSME Problems/Problem 17 (→Solution)
- 01:26, 29 December 2016 (diff | hist) . . (-136) . . m 2001 AMC 12 Problems/Problem 23 (→Solution 2)
- 01:26, 29 December 2016 (diff | hist) . . (+136) . . m 2001 AMC 12 Problems/Problem 23 (→Solution 2)
- 13:31, 16 December 2016 (diff | hist) . . (+653) . . N 1976 AHSME Problems/Problem 20 (Created page with "Let <math>a,~b</math>, and <math>x</math> be positive real numbers distinct from one. Then <math>4(\log_ax)^2+3(\log_bx)^2=8(\log_ax)(\log_bx)</math> <math>\textbf{(A) }\text...")
- 13:18, 16 December 2016 (diff | hist) . . (+30) . . m 1975 AHSME Problems/Problem 9 (→Solution)
- 13:18, 16 December 2016 (diff | hist) . . (+235) . . m 1975 AHSME Problems/Problem 9 (→Solution)
- 13:14, 16 December 2016 (diff | hist) . . (+354) . . N 1976 AHSME Problems/Problem 19 (Created page with "A polynomial <math>p(x)</math> has remainder three when divided by <math>x-1</math> and remainder five when divided by <math>x-3</math>. The remainder when <math>p(x)</math>...")
- 13:31, 15 December 2016 (diff | hist) . . (+626) . . N 1975 AHSME Problems/Problem 9 (Created page with "Let <math>a_1, a_2, \ldots</math> and <math>b_1, b_2, \ldots</math> be arithmetic progressions such that <math>a_1 = 25, b_1 = 75</math>, and <math>a_{100} + b_{100} = 100</ma...")
- 13:29, 15 December 2016 (diff | hist) . . (+711) . . N 1975 AHSME Problems/Problem 8 (Created page with "If the statement "All shirts in this store are on sale." is false, then which of the following statements must be true? I. All shirts in this store are at non-sale prices....")
- 13:27, 15 December 2016 (diff | hist) . . (-1) . . m 1975 AHSME Problems/Problem 7 (→Solution)
- 13:26, 15 December 2016 (diff | hist) . . (+2) . . m 1975 AHSME Problems/Problem 7 (→Solution)
- 13:26, 15 December 2016 (diff | hist) . . (+851) . . N 1975 AHSME Problems/Problem 7 (Created page with "For which non-zero real numbers <math>x</math> is <math>\frac{|x-|x|\-|}{x}</math> a positive integers? <math>\textbf{(A)}\ \text{for negative } x \text{ only} \qquad \\ \te...")
- 13:21, 15 December 2016 (diff | hist) . . (+623) . . N 1975 AHSME Problems/Problem 6 (Created page with "The sum of the first eighty positive odd integers subtracted from the sum of the first eighty positive even integers is <math>\textbf{(A)}\ 0 \qquad \textbf{(B)}\ 20 \qquad...")
- 13:17, 15 December 2016 (diff | hist) . . (+943) . . N 1975 AHSME Problems/Problem 5 (Created page with "The polynomial <math>(x+y)^9</math> is expanded in decreasing powers of <math>x</math>. The second and third terms have equal values when evaluated at <math>x=p</math> and <m...")
- 13:10, 15 December 2016 (diff | hist) . . (+670) . . N 1975 AHSME Problems/Problem 4 (Created page with "If the side of one square is the diagonal of a second square, what is the ratio of the area of the first square to the area of the second? <math>\textbf{(A)}\ 2 \qquad \tex...")
- 13:07, 15 December 2016 (diff | hist) . . (+1,121) . . N 1975 AHSME Problems/Problem 3 (Created page with "Which of the following inequalities are satisfied for all real numbers <math>a, b, c, x, y, z</math> which satisfy the conditions <math>x < a, y < b</math>, and <math>z < c</m...")
- 12:57, 15 December 2016 (diff | hist) . . (+1) . . m 1975 AHSME Problems/Problem 2 (→Solution)
- 12:56, 15 December 2016 (diff | hist) . . (+713) . . N 1975 AHSME Problems/Problem 2 (Created page with "For which real values of m are the simultaneous equations <cmath> \begin{align*}y &= mx + 3 \\ y& = (2m - 1)x + 4\end{align*} </cmath> satisfied by at least one pair of re...")
- 12:52, 15 December 2016 (diff | hist) . . (+226) . . m 1975 AHSME Problems/Problem 1 (→Solution)
- 12:51, 15 December 2016 (diff | hist) . . (+31) . . m 1975 AHSME Problems/Problem 1 (→Solution)
- 12:50, 15 December 2016 (diff | hist) . . (+245) . . N 1975 AHSME Problems/Problem 1 (Created page with "==Solution== Calculating, we find that <math>\frac {1}{2 - \frac {1}{2 - \frac {1}{2 - \frac12}}} = \frac {1}{2 - \frac {1}{2 - \frac {2}{3}}} = \frac {1}{2 - \frac {3}{4}}...")
- 12:34, 15 December 2016 (diff | hist) . . (-45) . . m 1989 AHSME Problems/Problem 28 (→Second Solution)
- 14:34, 14 December 2016 (diff | hist) . . (+130) . . m 1991 AHSME Problems/Problem 27 (→Solution)
- 14:25, 14 December 2016 (diff | hist) . . (+30) . . 1991 AHSME Problems/Problem 23 (→Solution) (current)
- 14:24, 14 December 2016 (diff | hist) . . (+723) . . 1991 AHSME Problems/Problem 23 (→Solution)
- 13:30, 13 December 2016 (diff | hist) . . (-1) . . m 1991 AHSME Problems/Problem 19 (→Solution)
- 13:30, 13 December 2016 (diff | hist) . . (-1) . . m 1991 AHSME Problems/Problem 19 (→Solution)
- 13:29, 13 December 2016 (diff | hist) . . (+833) . . 1991 AHSME Problems/Problem 19 (→Solution)
- 13:05, 13 December 2016 (diff | hist) . . (+576) . . 1991 AHSME Problems/Problem 13 (→Solution) (current)
- 12:57, 13 December 2016 (diff | hist) . . (0) . . m 1991 AHSME Problems/Problem 14 (→Solution 2: Answer Choices)
- 12:56, 13 December 2016 (diff | hist) . . (+378) . . 1991 AHSME Problems/Problem 14 (→Solution)
- 12:51, 13 December 2016 (diff | hist) . . (+298) . . m 1991 AHSME Problems/Problem 14 (→Solution)
- 12:47, 13 December 2016 (diff | hist) . . (+30) . . m 1991 AHSME Problems/Problem 16 (→Solution) (current)
- 12:44, 13 December 2016 (diff | hist) . . (-23) . . m 1991 AHSME Problems/Problem 16 (→Solution)
- 12:44, 13 December 2016 (diff | hist) . . (+442) . . 1991 AHSME Problems/Problem 16 (→Solution)
- 12:38, 13 December 2016 (diff | hist) . . (+10) . . m 1991 AHSME Problems/Problem 17 (→Solution) (current)
- 12:36, 13 December 2016 (diff | hist) . . (+1) . . m 1991 AHSME Problems/Problem 17 (→Solution)
- 12:36, 13 December 2016 (diff | hist) . . (+12) . . m 1991 AHSME Problems/Problem 17 (→Solution)
- 12:35, 13 December 2016 (diff | hist) . . (+539) . . m 1991 AHSME Problems/Problem 17 (→Solution)
- 13:08, 12 December 2016 (diff | hist) . . (+12) . . m 2016 AMC 8 Problems/Problem 25 (→Part Solution 5: Answer Choices)
- 13:07, 12 December 2016 (diff | hist) . . (+339) . . 2016 AMC 8 Problems/Problem 25 (→Solution 4: Inscribed Circle)
- 20:59, 3 December 2016 (diff | hist) . . (+554) . . 2012 AMC 10A Problems/Problem 25 (→Solution II)
- 13:27, 22 November 2016 (diff | hist) . . (-162) . . 1977 AHSME Problems/Problem 21
- 13:17, 22 November 2016 (diff | hist) . . (+458) . . N 1977 AHSME Problems/Problem 21 (Created page with "== Problem 21 == For how many values of the coefficient a do the equations <cmath>\begin{align*}x^2+ax+1=0 \\ x^2-x-a=0\end{align*}</cmath> have a common real solution? <mat...")
- 13:05, 22 November 2016 (diff | hist) . . (+6) . . 1977 AHSME Problems/Problem 18 (→Solution) (current)
- 13:05, 22 November 2016 (diff | hist) . . (+494) . . N 1977 AHSME Problems/Problem 18 (Created page with "== Problem 18 == If <math>y=(\log_23)(\log_34)\cdots(\log_n[n+1])\cdots(\log_{31}32)</math> then <math>\textbf{(A) }4<y<5\qquad \textbf{(B) }y=5\qquad \textbf{(C) }5<y<6\qq...")
- 13:01, 22 November 2016 (diff | hist) . . (+852) . . N 1977 AHSME Problems/Problem 17 (Created page with "== Problem 17 == Three fair dice are tossed at random (i.e., all faces have the same probability of coming up). What is the probability that the three numbers turned up can...") (current)
- 12:52, 22 November 2016 (diff | hist) . . (0) . . 1977 AHSME Problems/Problem 16 (→Solution) (current)
- 12:51, 22 November 2016 (diff | hist) . . (+1,265) . . N 1977 AHSME Problems/Problem 16 (Created page with "== Problem 16 == If <math>i^2 = -1</math>, then the sum <cmath>\cos{45^\circ} + i\cos{135^\circ} + \cdots + i^n\cos{(45 + 90n)^\circ} + \cdots + i^{40}\cos{3645^\circ} </cma...")
- 12:35, 22 November 2016 (diff | hist) . . (+15) . . 1965 AHSME Problems/Problem 1 (→Solution)
- 12:35, 22 November 2016 (diff | hist) . . (0) . . 1965 AHSME Problems/Problem 1 (→Solution)
- 12:34, 22 November 2016 (diff | hist) . . (+267) . . 1965 AHSME Problems/Problem 1 (→Problem)
- 13:41, 21 November 2016 (diff | hist) . . (+29) . . 1977 AHSME Problems/Problem 15 (→Solution)
- 13:40, 21 November 2016 (diff | hist) . . (+291) . . 1977 AHSME Problems/Problem 15 (→Solution)
- 13:31, 21 November 2016 (diff | hist) . . (+889) . . N 1977 AHSME Problems/Problem 15 (Created page with "== Problem 15 == <asy> size(120); real t = 2/sqrt(3); real x = 1 + sqrt(3); pair A = t*dir(90), D = x*A; pair B = t*dir(210), E = x*B; pair C = t*dir(330), F = x*C; draw(D--E...")
- 13:19, 21 November 2016 (diff | hist) . . (+477) . . N 1977 AHSME Problems/Problem 14 (Created page with "== Problem 14 == How many pairs <math>(m,n)</math> of integers satisfy the equation <math>m+n=mn</math>? <math>\textbf{(A) }1\qquad \textbf{(B) }2\qquad \textbf{(C) }3\qquad...") (current)
- 13:15, 21 November 2016 (diff | hist) . . (+1) . . 1977 AHSME Problems/Problem 13 (→Solution) (current)
- 13:15, 21 November 2016 (diff | hist) . . (+1) . . m 1977 AHSME Problems/Problem 13 (→Solution)
- 13:15, 21 November 2016 (diff | hist) . . (+929) . . N 1977 AHSME Problems/Problem 13 (Created page with "== Problem 13 == If <math>a_1,a_2,a_3,\dots</math> is a sequence of positive numbers such that <math>a_{n+2}=a_na_{n+1}</math> for all positive integers <math>n</math>, then...")
- 13:06, 21 November 2016 (diff | hist) . . (+993) . . N 1977 AHSME Problems/Problem 12 (Created page with "== Problem 12 == Al's age is <math>16</math> more than the sum of Bob's age and Carl's age, and the square of Al's age is <math>1632</math> more than the square of the sum of...") (current)
- 12:52, 21 November 2016 (diff | hist) . . (+1,511) . . N 1977 AHSME Problems/Problem 11 (Created page with "== Problem 11 == For each real number <math>x</math>, let <math>\textbf{[}x\textbf{]}</math> be the largest integer not exceeding <math>x</math> (i.e., the integer <math>n</...") (current)
- 12:34, 21 November 2016 (diff | hist) . . (+487) . . N 1977 AHSME Problems/Problem 10 (Created page with "== Problem 10 == If <math>(3x-1)^7 = a_7x^7 + a_6x^6 + \cdots + a_0</math>, then <math>a_7 + a_6 + \cdots + a_0</math> equals <math>\text{(A)}\ 0 \qquad \text{(B)}\ 1 \qqu...") (current)
- 12:30, 21 November 2016 (diff | hist) . . (-2) . . m 1977 AHSME Problems/Problem 9 (→Problem 9) (current)
- 12:30, 21 November 2016 (diff | hist) . . (+405) . . 1977 AHSME Problems/Problem 9 (→Solution)
- 12:29, 21 November 2016 (diff | hist) . . (+390) . . m 1977 AHSME Problems/Problem 8 (→Solution)
- 12:29, 21 November 2016 (diff | hist) . . (+339) . . 1977 AHSME Problems/Problem 7 (→Solution) (current)
- 12:27, 21 November 2016 (diff | hist) . . (+577) . . 1977 AHSME Problems/Problem 5 (→Solution) (current)
- 12:26, 21 November 2016 (diff | hist) . . (+781) . . 1977 AHSME Problems/Problem 4 (→Solution) (current)
- 12:25, 21 November 2016 (diff | hist) . . (+307) . . 1977 AHSME Problems/Problem 3 (→Solution) (current)
- 12:24, 21 November 2016 (diff | hist) . . (+331) . . 1977 AHSME Problems/Problem 2 (→Solution) (current)
- 12:24, 21 November 2016 (diff | hist) . . (+225) . . 1977 AHSME Problems/Problem 1 (→Solution) (current)
- 13:28, 18 November 2016 (diff | hist) . . (+365) . . 1977 AHSME Problems/Problem 9 (→Solution)
- 13:28, 18 November 2016 (diff | hist) . . (+614) . . N 1977 AHSME Problems/Problem 9 (Created page with "==Solution== Solution by e_power_pi_times_i If arcs <math>AB</math>, <math>BC</math>, and <math>CD</math> are congruent, then <math>\measuredangle ACB = \measuredangle BDC =...")
- 13:17, 18 November 2016 (diff | hist) . . (+1) . . 1977 AHSME Problems/Problem 8 (→Solution)
- 13:17, 18 November 2016 (diff | hist) . . (+568) . . N 1977 AHSME Problems/Problem 8 (Created page with "==Solution== Solution by e_power_pi_times_i <math>\dfrac{x}{|x} = 1</math> or <math>-1</math> depending whether <math>x</math> is positive or negative. If <math>a</math>, <ma...")
- 13:10, 18 November 2016 (diff | hist) . . (+307) . . N 1977 AHSME Problems/Problem 7 (Created page with "==Solution== Solution by e_power_pi_times_i <math>t = \dfrac{1}{1-\sqrt[4]{2}} = (\dfrac{1}{1-\sqrt[4]{2}})(\dfrac{1+\sqrt[4]{2}}{1+\sqrt[4]{2}}) = (\dfrac{1+\sqrt[4]{2}}{1-\...")
- 12:53, 18 November 2016 (diff | hist) . . (+196) . . N 1977 AHSME Problems/Problem 5 (Created page with "==Solution== Solution by e_power_pi_times_i The answer is <math>\textbf{(A)}</math> because <math>P</math> has to be on the line segment <math>AB</math> in order to satisfy <...")
- 12:49, 18 November 2016 (diff | hist) . . (+365) . . N 1977 AHSME Problems/Problem 4 (Created page with "==Solution== Solution by e_power_pi_times_i Because <math>\measuredangle A=80^\circ</math>, <math>\measuredangle B=\measuredangle C=50^\circ</math>. Then, because triangles <...")
- 12:39, 18 November 2016 (diff | hist) . . (-2) . . 1977 AHSME Problems/Problem 3 (→Solution)
- 12:39, 18 November 2016 (diff | hist) . . (+297) . . N 1977 AHSME Problems/Problem 3 (Created page with "==Solution== Solution by e_power_pi_times_i Denote the number of pennies, nickels, dimes, quarters, and half-dollars by <math>x</math>. Then <math>x+5x+10x+25x+50x = 273</mat...")
- 12:34, 18 November 2016 (diff | hist) . . (+48) . . 1977 AHSME Problems/Problem 2 (→Solution)
- 12:31, 18 November 2016 (diff | hist) . . (+134) . . N 1977 AHSME Problems/Problem 2 (Created page with "==Solution== Solution by e_power_pi_times_i The answer is not <math>\textbf{(A)}</math> because each angle is <math>60^{\circ}</math>")
- 12:28, 18 November 2016 (diff | hist) . . (+90) . . 1977 AHSME Problems/Problem 1 (→Solution)
- 12:26, 18 November 2016 (diff | hist) . . (+12) . . N 1977 AHSME Problems/Problem 1 (Created page with "==Solution==")
- 14:08, 17 November 2016 (diff | hist) . . (+684) . . 1980 AHSME Problems/Problem 12 (→Solution)
- 13:30, 17 November 2016 (diff | hist) . . (+133) . . 1980 AHSME Problems/Problem 12 (→Solution)
- 13:00, 17 November 2016 (diff | hist) . . (+522) . . 1980 AHSME Problems/Problem 25 (→Solution) (current)
- 14:33, 16 November 2016 (diff | hist) . . (+734) . . 1980 AHSME Problems/Problem 24 (→Solution) (current)
- 14:12, 17 October 2016 (diff | hist) . . (-2) . . 2011 AIME II Problems (→Problem 13)
- 18:05, 28 July 2016 (diff | hist) . . (+865) . . m 2006 AIME II Problems/Problem 12 (→Solution)
- 13:50, 1 July 2016 (diff | hist) . . (+855) . . 2011 AIME II Problems/Problem 5 (→Solution)
- 15:09, 22 June 2016 (diff | hist) . . (-1) . . m 2015 AIME II Problems/Problem 11 (→Solution)
- 01:14, 21 June 2016 (diff | hist) . . (+2) . . m 2016 AMC 10B Problems/Problem 5 (→Solution)
- 01:12, 21 June 2016 (diff | hist) . . (+444) . . 2016 AMC 10B Problems/Problem 3 (→Solution)
- 17:59, 26 March 2016 (diff | hist) . . (-136) . . m How should I prepare? (→Books)
- 17:57, 26 March 2016 (diff | hist) . . (+1) . . m How should I prepare? (→Books)
- 17:56, 26 March 2016 (diff | hist) . . (+169) . . How should I prepare? (→Books)
- 17:55, 26 March 2016 (diff | hist) . . (+31) . . m How should I prepare? (→Books)
- 17:53, 26 March 2016 (diff | hist) . . (-170) . . How should I prepare? (→Books)
- 17:52, 26 March 2016 (diff | hist) . . (0) . . m How should I prepare? (→Books)
- 17:51, 26 March 2016 (diff | hist) . . (+2) . . m How should I prepare? (→Books)
- 17:50, 26 March 2016 (diff | hist) . . (+123) . . m How should I prepare? (→Books)
- 13:56, 28 February 2016 (diff | hist) . . (+779) . . 2016 AMC 12B Problems/Problem 13 (→Solution)
- 13:39, 28 February 2016 (diff | hist) . . (+13) . . m 2016 AMC 12B Problems/Problem 11 (→Solution)
- 13:38, 28 February 2016 (diff | hist) . . (+13) . . m 2016 AMC 12B Problems/Problem 11 (→Solution)
- 13:37, 28 February 2016 (diff | hist) . . (+83) . . m 2016 AMC 12B Problems/Problem 11 (→Solution)
- 13:35, 28 February 2016 (diff | hist) . . (+1) . . 2016 AMC 12B Problems/Problem 11 (→Solution)
- 13:35, 28 February 2016 (diff | hist) . . (+944) . . 2016 AMC 12B Problems/Problem 11 (→Solution)
- 02:47, 27 February 2016 (diff | hist) . . (+120) . . 2016 AMC 12B Problems/Problem 22 (→Solution)
- 02:41, 27 February 2016 (diff | hist) . . (+11) . . m 2016 AMC 12B Problems/Problem 11 (→Solution)
- 02:41, 27 February 2016 (diff | hist) . . (+3) . . m 2016 AMC 12B Problems/Problem 11 (→Solution)
- 02:40, 27 February 2016 (diff | hist) . . (+818) . . 2016 AMC 12B Problems/Problem 11 (→Solution)
- 01:16, 25 February 2016 (diff | hist) . . (0) . . m 2014 AIME I Problems/Problem 3 (→Solution 2)
- 02:10, 22 February 2016 (diff | hist) . . (-1) . . m 2016 AMC 12B Problems/Problem 22 (→Solution)
- 02:09, 22 February 2016 (diff | hist) . . (+10) . . m 2016 AMC 12B Problems/Problem 22 (→Solution)
- 01:51, 22 February 2016 (diff | hist) . . (+310) . . 2016 AMC 12B Problems/Problem 10 (→Solution)
- 01:40, 22 February 2016 (diff | hist) . . (-1) . . m 2016 AMC 12B Problems/Problem 6 (→Solution)
- 01:37, 22 February 2016 (diff | hist) . . (+39) . . m 2016 AMC 12B Problems/Problem 22 (→Problem)
- 01:32, 22 February 2016 (diff | hist) . . (+12) . . m 2016 AMC 12B Problems/Problem 22 (→Solution)
- 01:29, 22 February 2016 (diff | hist) . . (+13) . . m 2016 AMC 12B Problems/Problem 22 (→Solution)
- 01:28, 22 February 2016 (diff | hist) . . (+2) . . m 2016 AMC 12B Problems/Problem 22 (→Solution)
- 01:28, 22 February 2016 (diff | hist) . . (+24) . . m 2016 AMC 12B Problems/Problem 22 (→Solution)
- 01:27, 22 February 2016 (diff | hist) . . (+380) . . 2016 AMC 12B Problems/Problem 22 (→Solution)
- 17:45, 21 February 2016 (diff | hist) . . (+146) . . m 2016 AMC 12B Problems/Problem 19 (→Solution)