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- 17:31, 9 February 2019 (diff | hist) . . (+1,165) . . 2019 AMC 12A Problems
- 17:28, 9 February 2019 (diff | hist) . . (+44) . . N 2019 AMC 12A Problems/Problem 6 (Redirected page to 2019 AMC 10A Problems/Problem 8) (current) (Tag: New redirect)
- 17:27, 9 February 2019 (diff | hist) . . (+1,326) . . N 2019 AMC 10A Problems/Problem 8 (Created page with "{{duplicate|2019 AMC 10A #8 and 2019 AMC 12A #6}} ==Problem== The figure below shows line <math>\ell</math> with a regula...")
- 17:25, 9 February 2019 (diff | hist) . . (+44) . . N 2019 AMC 12A Problems/Problem 5 (Redirected page to 2019 AMC 10A Problems/Problem 7) (current) (Tag: New redirect)
- 17:25, 9 February 2019 (diff | hist) . . (+580) . . N 2019 AMC 10A Problems/Problem 7 (Created page with "{{duplicate|2019 AMC 10A #7 and 2019 AMC 12A #5}} ==Problem== Two lines with slopes <math>\dfrac{1}{2}</math> and <math>2...")
- 17:24, 9 February 2019 (diff | hist) . . (+579) . . N 2019 AMC 10A Problems/Problem 6 (Created page with "==Problem== For how many of the following types of quadrilaterals does there exist a point in the plane of the quadrilateral that is equidistant from all four vertices of the...")
- 17:23, 9 February 2019 (diff | hist) . . (+44) . . N 2019 AMC 12A Problems/Problem 3 (Redirected page to 2019 AMC 10A Problems/Problem 4) (current) (Tag: New redirect)
- 17:22, 9 February 2019 (diff | hist) . . (+745) . . N 2019 AMC 10A Problems/Problem 4 (Created page with "{{duplicate|2019 AMC 10A #4 and 2019 AMC 12A #3}} ==Problem== A box contains <math>28</math> red balls, <math>20</math> g...")
- 17:20, 9 February 2019 (diff | hist) . . (+443) . . N 2019 AMC 10A Problems/Problem 3 (Created page with "==Problem== Ana and Bonita were born on the same date in different years, <math>n</math> years apart. Last year Ana was <math>5</math> times as old as Bonita. This year Ana's...")
- 17:19, 9 February 2019 (diff | hist) . . (+45) . . N 2019 AMC 12A Problems/Problem 9 (Redirected page to 2019 AMC 10A Problems/Problem 15) (current) (Tag: New redirect)
- 17:19, 9 February 2019 (diff | hist) . . (+766) . . N 2019 AMC 10A Problems/Problem 15 (Created page with "{{duplicate|2019 AMC 10A #15 and 2019 AMC 12A #9}} ==Problem== A sequence of numbers is defined recursively by <math>a_1...")
- 17:17, 9 February 2019 (diff | hist) . . (+45) . . N 2019 AMC 12A Problems/Problem 10 (Redirected page to 2019 AMC 10A Problems/Problem 16) (current) (Tag: New redirect)
- 17:17, 9 February 2019 (diff | hist) . . (+1,299) . . N 2019 AMC 10A Problems/Problem 16 (Created page with "{{duplicate|2019 AMC 10A #16 and 2019 AMC 12A #10}} ==Problem== The figure below shows <math>13</math> circles of radius...")
- 17:15, 9 February 2019 (diff | hist) . . (+45) . . N 2019 AMC 12A Problems/Problem 11 (Redirected page to 2019 AMC 10A Problems/Problem 18) (current) (Tag: New redirect)
- 17:15, 9 February 2019 (diff | hist) . . (+597) . . N 2019 AMC 10A Problems/Problem 18 (Created page with "{{duplicate|2019 AMC 10A #18 and 2019 AMC 12A #11}} ==Problem== For some positive integer <math>k</math>, the repeating b...")
- 17:13, 9 February 2019 (diff | hist) . . (+433) . . N 2019 AMC 12A Problems/Problem 12 (Created page with "==Problem== Positive real numbers <math>x \neq 1</math> and <math>y \neq 1</math> satisfy <math>\log_2{x} = \log_y{16}</math> and <math>xy = 64</math>. What is <math>(\log_2{...")
- 17:12, 9 February 2019 (diff | hist) . . (+412) . . N 2019 AMC 12A Problems/Problem 13 (Created page with "==Problem== How many ways are there to paint each of the integers <math>2, 3, \dots, 9</math> either red, green, or blue so that each number has a different color from each o...")
- 17:07, 9 February 2019 (diff | hist) . . (+429) . . N 2019 AMC 12A Problems/Problem 14 (Created page with "==Problem== For a certain complex number <math>c</math>, the polynomial <cmath> P(x) = (x^2 - 2x + 2)(x^2 - cx + 4)(x^2 - 4x + 8)</cmath>has exactly 4 distinct roots. What is...")
- 17:05, 9 February 2019 (diff | hist) . . (+1,595) . . N 2019 AMC 12A (Created page with "'''2019 AMC 12A''' problems and solutions. The test was held on February 7, 2019. *2019 AMC 12A Problems *2019 AMC 12A Answer Key **2019 AMC 12A Problems/Problem 1...") (current)
- 17:03, 9 February 2019 (diff | hist) . . (+70) . . AMC 12 Problems and Solutions
- 17:02, 9 February 2019 (diff | hist) . . (+572) . . N 2019 AMC 12A Problems/Problem 15 (Created page with "==Problem== Positive real numbers <math>a</math> and <math>b</math> have the property that <cmath>\sqrt{\log{a}} + \sqrt{\log{b}} + \log \sqrt{a} + \log \sqrt{b} = 100</cmath...")
- 17:01, 9 February 2019 (diff | hist) . . (+2,078) . . 2019 AMC 10A Problems
- 17:00, 9 February 2019 (diff | hist) . . (+4,021) . . 2019 AMC 10A Problems
- 16:56, 9 February 2019 (diff | hist) . . (+642) . . 2019 AMC 10A Problems/Problem 24
- 16:55, 9 February 2019 (diff | hist) . . (+45) . . N 2019 AMC 12A Problems/Problem 16 (Redirected page to 2019 AMC 10A Problems/Problem 20) (current) (Tag: New redirect)
- 16:54, 9 February 2019 (diff | hist) . . (+658) . . N 2019 AMC 10A Problems/Problem 20 (Created page with "{{duplicate|2019 AMC 10A #20 and 2019 AMC 12A #16}} ==Problem== The numbers <math>1,2,\dots,9</math> are randomly placed...")
- 16:52, 9 February 2019 (diff | hist) . . (+682) . . N 2019 AMC 12A Problems/Problem 17 (Created page with "==Problem== Let <math>s_k</math> denote the sum of the <math>\textit{k}</math>th powers of the roots of the polynomial <math>x^3-5x^2+8x-13</math>. In particular, <math>s_0=3...")
- 16:52, 9 February 2019 (diff | hist) . . (+45) . . N 2019 AMC 12A Problems/Problem 18 (Redirected page to 2019 AMC 10A Problems/Problem 21) (current) (Tag: New redirect)
- 16:51, 9 February 2019 (diff | hist) . . (+695) . . N 2019 AMC 10A Problems/Problem 21 (Created page with "{{duplicate|2019 AMC 10A #21 and 2019 AMC 12A #18}} ==Problem== A sphere with center <math>O</math> has radius <math>6</m...")
- 16:50, 9 February 2019 (diff | hist) . . (+465) . . N 2019 AMC 12A Problems/Problem 19 (Created page with "==Problem== In <math>\triangle ABC</math> with integer side lengths, <cmath>\cos A=\frac{11}{16}, \qquad \cos B= \frac{7}{8}, \qquad \text{and} \qquad\cos C=-\frac{1}{4}.</cm...")
- 16:49, 9 February 2019 (diff | hist) . . (0) . . 2019 AMC 12A Problems/Problem 20 (Whoops) (Tag: Redirect target changed)
- 16:48, 9 February 2019 (diff | hist) . . (+45) . . N 2019 AMC 12A Problems/Problem 20 (Redirected page to 2018 AMC 10A Problems/Problem 22) (Tag: New redirect)
- 16:48, 9 February 2019 (diff | hist) . . (+960) . . N 2019 AMC 10A Problems/Problem 22 (Created page with "{{duplicate|2019 AMC 10A #22 and 2019 AMC 12A #20}} ==Problem== Real numbers between 0 and 1, inclusive, are chosen in th...")
- 16:46, 9 February 2019 (diff | hist) . . (+445) . . N 2019 AMC 12A Problems/Problem 21 (Created page with "==Problem== Let <cmath>z=\frac{1+i}{\sqrt{2}}.</cmath>What is <cmath>(z^{1^2}+z^{2^2}+z^{3^2}+\dots+z^{{12}^2}) \cdot (\frac{1}{z^{1^2}}+\frac{1}{z^{2^2}}+\frac{1}{z^{3^2}}+\...")
- 16:45, 9 February 2019 (diff | hist) . . (+1,082) . . N 2019 AMC 12A Problems/Problem 22 (Created page with "==Problem== Circles <math>\omega</math> and <math>\gamma</math>, both centered at <math>O</math>, have radii <math>20</math> and <math>17</math>, respectively. Equilateral tr...")
- 16:45, 9 February 2019 (diff | hist) . . (+812) . . N 2019 AMC 12A Problems/Problem 23 (Created page with "==Problem== Define binary operations <math>\diamondsuit</math> and <math>\heartsuit</math> by <cmath>a \, \diamondsuit \, b = a^{\log_{7}(b)} \qquad \text{and} \qquad a \, \...")
- 16:44, 9 February 2019 (diff | hist) . . (+933) . . N 2019 AMC 12A Problems/Problem 25 (Created page with "==Problem== Let <math>\triangle A_0B_0C_0</math> be a triangle whose angle measures are exactly <math>59.999^\circ</math>, <math>60^\circ</math>, and <math>60.001^\circ</math...")
- 16:42, 9 February 2019 (diff | hist) . . (+105) . . 2019 AMC 10A Problems/Problem 25
- 16:39, 9 February 2019 (diff | hist) . . (+45) . . N 2019 AMC 12A Problems/Problem 24 (Redirected page to 2019 AMC 10A Problems/Problem 25) (current) (Tag: New redirect)
- 16:39, 9 February 2019 (diff | hist) . . (+468) . . N 2019 AMC 10A Problems/Problem 25 (Created page with "==Problem== For how many integers <math>n</math> between <math>1</math> and <math>50</math>, inclusive, is <cmath>\frac{(n^2-1)!}{(n!)^n}</cmath> an integer? (Recall that <ma...")
- 16:35, 9 February 2019 (diff | hist) . . (+158) . . 2019 AMC 10A Problems
- 16:33, 9 February 2019 (diff | hist) . . (+74) . . N 2019 AMC 12A Answer Key (Created page with "#E #D #B #D #C #C #E #D #E #A #D #B #E #E #D #B #D #D #A #B #C #E #D #D #E") (current)
- 16:30, 9 February 2019 (diff | hist) . . (+4,387) . . 2019 AMC 12A Problems (I just realized that the square bullet points are just asterisks; filled in the rest of the problems; please correct any errors if I made any)
- 16:26, 9 February 2019 (diff | hist) . . (+4,290) . . 2019 AMC 12A Problems
- 16:21, 9 February 2019 (diff | hist) . . (+4,579) . . N 2019 AMC 12A Problems (I'm going to fill in the problems over several different edits in case someone is editing while I am. Also, I am not sure how to put square bullet points for problem 6, so it would be great if someone could do that.)
- 16:16, 9 February 2019 (diff | hist) . . (+2,883) . . 2019 AMC 10A Problems
- 10:21, 13 January 2019 (diff | hist) . . (+1) . . 2012 AIME I Problems/Problem 15
- 05:50, 30 December 2018 (diff | hist) . . (0) . . 2016 AIME II Problems
- 05:49, 30 December 2018 (diff | hist) . . (0) . . m 2016 AIME II Problems/Problem 5
- 11:25, 12 December 2018 (diff | hist) . . (-456) . . 2006 AIME II Problems (The original problem did not come with a diagram)
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