User contributions
- 02:36, 19 March 2022 (diff | hist) . . (+755) . . 2006 AIME II Problems/Problem 12 (current)
- 21:14, 30 December 2021 (diff | hist) . . (+8) . . m 2011 AIME II Problems/Problem 13 (→Solution 8 (similar to solution 4))
- 21:14, 30 December 2021 (diff | hist) . . (+24) . . 2011 AIME II Problems/Problem 13 (→Solution 8)
- 21:11, 30 December 2021 (diff | hist) . . (+1,081) . . 2011 AIME II Problems/Problem 13 (→Solution 8)
- 21:01, 30 December 2021 (diff | hist) . . (+16) . . m 2011 AIME II Problems/Problem 13
- 21:56, 28 December 2021 (diff | hist) . . (-19) . . m 1990 AIME Problems/Problem 14 (→Solution 3 (Law of Cosines) (Work in Progress))
- 21:56, 28 December 2021 (diff | hist) . . (+704) . . 1990 AIME Problems/Problem 14 (→Solution 3 (Law of Cosines) (Work in Progress))
- 21:43, 28 December 2021 (diff | hist) . . (+731) . . 1990 AIME Problems/Problem 14
- 01:45, 27 December 2021 (diff | hist) . . (+1,883) . . 1987 AIME Problems/Problem 15
- 02:55, 26 December 2021 (diff | hist) . . (+1) . . m 1983 AIME Problems/Problem 15 (→Solution 6 (No Trig))
- 02:53, 26 December 2021 (diff | hist) . . (+1,440) . . 1983 AIME Problems/Problem 15 (→Solution 6 (No Trig))
- 02:35, 26 December 2021 (diff | hist) . . (+30) . . m 1983 AIME Problems/Problem 15
- 00:08, 3 December 2021 (diff | hist) . . (+11) . . m 2003 AIME II Problems/Problem 15 (→Solution 3)
- 15:51, 28 August 2021 (diff | hist) . . (+10) . . 2013 AMC 12A Problems/Problem 21 (→Solution 6 (super quick))
- 15:51, 28 August 2021 (diff | hist) . . (+1) . . m 2013 AMC 12A Problems/Problem 22 (→Note)
- 15:50, 28 August 2021 (diff | hist) . . (+9) . . 2013 AMC 12A Problems/Problem 22 (→Note)
- 15:48, 28 August 2021 (diff | hist) . . (+499) . . 2013 AMC 12A Problems/Problem 22 (→Solution 1)
- 15:25, 28 August 2021 (diff | hist) . . (+389) . . 2013 AMC 12A Problems/Problem 21 (→Solutions)
- 15:16, 14 July 2021 (diff | hist) . . (+226) . . 2012 AMC 12A Problems/Problem 16 (→Solution 2)
- 13:52, 3 July 2021 (diff | hist) . . (+3) . . m 2011 AMC 12A Problems (→Problem 21: I think we should use curly brackets because it is less confusing.) (current)
- 16:47, 1 March 2021 (diff | hist) . . (+180) . . m 2018 AMC 12B Problems/Problem 25
- 15:29, 24 February 2021 (diff | hist) . . (+10) . . m 2018 AMC 12B Problems/Problem 25
- 15:26, 24 February 2021 (diff | hist) . . (0) . . 2018 AMC 12B Problems/Problem 25
- 15:24, 24 February 2021 (diff | hist) . . (+2,294) . . 2018 AMC 12B Problems/Problem 25
- 15:21, 12 February 2021 (diff | hist) . . (+4) . . m 2021 AMC 10B Problems/Problem 22
- 15:19, 12 February 2021 (diff | hist) . . (+824) . . 2021 AMC 10B Problems/Problem 22
- 18:30, 11 February 2021 (diff | hist) . . (+543) . . 2021 AMC 12A Problems/Problem 10
- 19:47, 31 January 2021 (diff | hist) . . (+33) . . m 2003 AIME II Problems/Problem 15
- 19:46, 31 January 2021 (diff | hist) . . (+21) . . m 2003 AIME II Problems/Problem 15
- 19:46, 31 January 2021 (diff | hist) . . (+939) . . 2003 AIME II Problems/Problem 15
- 19:14, 31 January 2021 (diff | hist) . . (+205) . . 2003 AIME II Problems/Problem 14
- 20:57, 3 January 2021 (diff | hist) . . (-96) . . User:Rayfish (current)
- 22:44, 30 December 2020 (diff | hist) . . (+94) . . 2001 AIME II Problems/Problem 3
- 14:55, 30 December 2020 (diff | hist) . . (+527) . . 2001 AIME II Problems/Problem 3
- 22:42, 30 October 2020 (diff | hist) . . (+1) . . 1983 AIME Problems/Problem 4
- 22:42, 30 October 2020 (diff | hist) . . (+632) . . 1983 AIME Problems/Problem 4
- 00:38, 17 June 2020 (diff | hist) . . (+296) . . 2019 AMC 8 Problems/Problem 25
- 18:32, 7 June 2020 (diff | hist) . . (+553) . . 2020 AIME II Problems/Problem 3
- 16:54, 7 June 2020 (diff | hist) . . (+238) . . 2020 AIME II Problems/Problem 3
- 00:29, 2 May 2020 (diff | hist) . . (0) . . m User:Piphi
- 18:41, 28 April 2020 (diff | hist) . . (+26) . . m 2017 AMC 8 Problems
- 18:09, 22 April 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 36 (current)
- 18:07, 22 April 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 34 (current)
- 18:04, 22 April 2020 (diff | hist) . . (+319) . . 1954 AHSME Problems/Problem 26
- 18:03, 22 April 2020 (diff | hist) . . (+1) . . 1954 AHSME Problems/Problem 26
- 18:03, 22 April 2020 (diff | hist) . . (-7) . . 1954 AHSME Problems/Problem 26
- 18:03, 22 April 2020 (diff | hist) . . (+600) . . 1954 AHSME Problems/Problem 26
- 00:45, 8 March 2020 (diff | hist) . . (+99) . . User:Rayfish
- 00:35, 3 March 2020 (diff | hist) . . (-9) . . AMC 10 Problems and Solutions
- 00:34, 3 March 2020 (diff | hist) . . (+40) . . 2020 AMC 10A
- 00:33, 3 March 2020 (diff | hist) . . (+1,289) . . 2020 AMC 10A
- 01:52, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 32 (current)
- 01:51, 28 February 2020 (diff | hist) . . (+1) . . 1954 AHSME Problems/Problem 31 (current)
- 01:51, 28 February 2020 (diff | hist) . . (+2) . . 1954 AHSME Problems/Problem 31
- 01:51, 28 February 2020 (diff | hist) . . (+377) . . 1954 AHSME Problems/Problem 31
- 01:47, 28 February 2020 (diff | hist) . . (+507) . . N 1954 AHSME Problems/Problem 31 (Created page with "== Problem== In <math>\triangle ABC</math>, <math>AB=AC</math>, <math>\angle A=40^\circ</math>. Point <math>O</math> is within the triangle with <math>\angle OBC \cong \angle...")
- 01:44, 28 February 2020 (diff | hist) . . (+657) . . 1954 AHSME Problems/Problem 29 (current)
- 01:36, 28 February 2020 (diff | hist) . . (+432) . . N 1954 AHSME Problems/Problem 29 (Created page with "== Problem == If the ratio of the legs of a right triangle is <math>1: 2</math>, then the ratio of the corresponding segments of the hypotenuse made by a perpendicular upon...")
- 01:31, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 28 (current)
- 01:30, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 27 (current)
- 01:30, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 26
- 01:29, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 25 (current)
- 01:29, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 24 (current)
- 01:29, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 21 (current)
- 01:29, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 20
- 01:28, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 19 (current)
- 01:28, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 18 (current)
- 01:27, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 17 (current)
- 01:27, 28 February 2020 (diff | hist) . . (+92) . . 1954 AHSME Problems/Problem 16
- 01:26, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 15 (current)
- 01:26, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 14 (current)
- 01:26, 28 February 2020 (diff | hist) . . (+77) . . 1954 AHSME Problems/Problem 13 (current)
- 20:42, 17 February 2020 (diff | hist) . . (+76) . . 1954 AHSME Problems/Problem 12 (current)
- 20:41, 17 February 2020 (diff | hist) . . (+14) . . 1954 AHSME Problems/Problem 11 (current)
- 20:41, 17 February 2020 (diff | hist) . . (+5) . . 1954 AHSME Problems/Problem 11
- 20:40, 17 February 2020 (diff | hist) . . (+76) . . 1954 AHSME Problems/Problem 10 (current)
- 20:39, 17 February 2020 (diff | hist) . . (+76) . . 1954 AHSME Problems/Problem 9 (current)
- 20:38, 17 February 2020 (diff | hist) . . (+75) . . 1954 AHSME Problems/Problem 8 (current)
- 20:37, 17 February 2020 (diff | hist) . . (+88) . . 1954 AHSME Problems/Problem 6 (current)
- 20:36, 17 February 2020 (diff | hist) . . (+75) . . 1954 AHSME Problems/Problem 5 (current)
- 20:36, 17 February 2020 (diff | hist) . . (+1) . . 1954 AHSME Problems/Problem 5
- 20:36, 17 February 2020 (diff | hist) . . (+75) . . 1954 AHSME Problems/Problem 4 (current)
- 20:34, 17 February 2020 (diff | hist) . . (+75) . . 1954 AHSME Problems/Problem 3 (current)
- 20:34, 17 February 2020 (diff | hist) . . (+75) . . 1954 AHSME Problems/Problem 2 (current)
- 20:33, 17 February 2020 (diff | hist) . . (+102) . . 1954 AHSME Problems/Problem 1 (current)
- 20:27, 17 February 2020 (diff | hist) . . (+489) . . N Point-slope form (Created page with "==Point Slope Form== Point-slope form is a form of graphing the linear equation on the coordinate plane. It is one of the three common ways to represent lines as equations; th...")
- 20:20, 17 February 2020 (diff | hist) . . (+523) . . 1953 AHSME Problems/Problem 49 (current)
- 20:08, 17 February 2020 (diff | hist) . . (+491) . . 1953 AHSME Problems/Problem 49
- 23:40, 14 February 2020 (diff | hist) . . (+365) . . 1953 AHSME Problems/Problem 47
- 23:37, 14 February 2020 (diff | hist) . . (+1,398) . . 1953 AHSME Problems/Problem 48 (current)
- 23:16, 14 February 2020 (diff | hist) . . (+445) . . N 1953 AHSME Problems/Problem 48 (Created page with "==Problem== If the larger base of an isosceles trapezoid equals a diagonal and the smaller base equals the altitude, then the ratio of the smaller base to the larger base is...")
- 23:02, 14 February 2020 (diff | hist) . . (+612) . . 1953 AHSME Problems/Problem 45 (current)
- 22:56, 14 February 2020 (diff | hist) . . (+630) . . 1953 AHSME Problems/Problem 44 (current)
- 22:49, 14 February 2020 (diff | hist) . . (+77) . . 1953 AHSME Problems/Problem 44
- 22:48, 14 February 2020 (diff | hist) . . (+563) . . N 1953 AHSME Problems/Problem 44 (Created page with "==Problem== In solving a problem that reduces to a quadratic equation one student makes a mistake only in the constant term of the equation and obtains <math>8</math> and <m...")
- 01:59, 14 February 2020 (diff | hist) . . (+14) . . m 1953 AHSME Problems/Problem 42 (current)
- 01:58, 14 February 2020 (diff | hist) . . (0) . . m 1953 AHSME Problems/Problem 42
- 01:57, 14 February 2020 (diff | hist) . . (+1,238) . . 1953 AHSME Problems/Problem 42
- 21:18, 7 February 2020 (diff | hist) . . (+56) . . m 2020 AMC 12B Problems/Problem 11
- 21:15, 7 February 2020 (diff | hist) . . (+46) . . N 2020 AMC 12B Problems/Problem 9 (Redirected page to 2020 AMC 10B Problems/Problem 10) (current) (Tag: New redirect)
- 21:14, 7 February 2020 (diff | hist) . . (+45) . . N 2020 AMC 12B Problems/Problem 3 (Redirected page to 2020 AMC 10B Problems/Problem 3) (current) (Tag: New redirect)
- 21:08, 7 February 2020 (diff | hist) . . (+1,513) . . 2020 AMC 10B
- 21:04, 7 February 2020 (diff | hist) . . (+81) . . 2020 AMC 10B
- 01:48, 4 February 2020 (diff | hist) . . (+77) . . m 1953 AHSME Problems/Problem 42
- 01:47, 4 February 2020 (diff | hist) . . (+411) . . m 1953 AHSME Problems/Problem 42
- 01:46, 4 February 2020 (diff | hist) . . (+76) . . m 1953 AHSME Problems/Problem 40
- 01:45, 4 February 2020 (diff | hist) . . (+24) . . m 1953 AHSME Problems/Problem 39
- 01:44, 4 February 2020 (diff | hist) . . (+238) . . m 1953 AHSME Problems/Problem 39
- 01:43, 4 February 2020 (diff | hist) . . (+76) . . m 1953 AHSME Problems/Problem 39
- 01:42, 4 February 2020 (diff | hist) . . (+76) . . m 1953 AHSME Problems/Problem 38 (current)
- 01:41, 4 February 2020 (diff | hist) . . (+76) . . m 1953 AHSME Problems/Problem 36 (current)
- 01:40, 4 February 2020 (diff | hist) . . (+101) . . 1953 AHSME Problems/Problem 33 (current)
- 01:38, 4 February 2020 (diff | hist) . . (-2) . . m 1953 AHSME Problems/Problem 27 (current)
- 01:37, 4 February 2020 (diff | hist) . . (+25) . . 1953 AHSME Problems/Problem 27
- 01:37, 4 February 2020 (diff | hist) . . (+76) . . 1953 AHSME Problems/Problem 27
- 22:08, 28 January 2020 (diff | hist) . . (+244) . . 2016 AMC 10B Problems/Problem 2 (Undo revision 115293 by Jonjose (talk)) (Tag: Undo)
- 00:54, 26 January 2020 (diff | hist) . . (+76) . . m 1953 AHSME Problems/Problem 26
- 00:54, 26 January 2020 (diff | hist) . . (+103) . . m 1953 AHSME Problems/Problem 25
- 00:53, 26 January 2020 (diff | hist) . . (+59) . . m 1953 AHSME Problems/Problem 24 (current)
- 00:49, 26 January 2020 (diff | hist) . . (+90) . . m 1953 AHSME Problems/Problem 20
- 00:47, 26 January 2020 (diff | hist) . . (+76) . . m 1953 AHSME Problems/Problem 17 (current)
- 00:46, 26 January 2020 (diff | hist) . . (+13) . . m 1953 AHSME Problems/Problem 16
- 00:45, 26 January 2020 (diff | hist) . . (0) . . m 1953 AHSME Problems/Problem 11
- 00:43, 26 January 2020 (diff | hist) . . (+1,273) . . 1953 AHSME Problems/Problem 41 (current)
- 00:08, 26 January 2020 (diff | hist) . . (+531) . . N 1953 AHSME Problems/Problem 41 (Created page with "==Problem== A girls' camp is located <math>300</math> rods from a straight road. On this road, a boys' camp is located <math>500</math> rods from the girls' camp. It is desi...")
- 01:13, 25 January 2020 (diff | hist) . . (+70) . . 1953 AHSME Problems/Problem 37 (current)
- 22:15, 24 January 2020 (diff | hist) . . (+1,104) . . 1953 AHSME Problems/Problem 37
- 21:41, 24 January 2020 (diff | hist) . . (0) . . 1953 AHSME Problems/Problem 35 (current)
- 21:40, 24 January 2020 (diff | hist) . . (+46) . . 1953 AHSME Problems/Problem 37
- 21:39, 24 January 2020 (diff | hist) . . (+423) . . N 1953 AHSME Problems/Problem 37 (Created page with "==Problem== The base of an isosceles triangle is <math>6</math> inches and one of the equal sides is <math>12</math> inches. The radius of the circle through the vertices of...")
- 21:32, 24 January 2020 (diff | hist) . . (+534) . . 1953 AHSME Problems/Problem 35
- 21:20, 24 January 2020 (diff | hist) . . (+77) . . 1953 AHSME Problems/Problem 35
- 21:19, 24 January 2020 (diff | hist) . . (+26) . . 1953 AHSME Problems/Problem 35
- 21:17, 24 January 2020 (diff | hist) . . (+254) . . N 1953 AHSME Problems/Problem 35 (Created page with "If <math>f(x)=\frac{x(x-1)}{2}</math>, then <math>f(x+2)</math> equals: <math>\textbf{(A)}\ f(x)+f(2) \qquad \textbf{(B)}\ (x+2)f(x) \qquad \textbf{(C)}\ x(x+2)f(x) \qquad \...")
- 00:27, 24 January 2020 (diff | hist) . . (+37) . . m Ball-and-urn
- 22:45, 21 January 2020 (diff | hist) . . (0) . . m 2015 AMC 10B Problems/Problem 22
- 19:22, 19 January 2020 (diff | hist) . . (+70) . . m 2015 AMC 10A Problems/Problem 19
- 19:16, 19 January 2020 (diff | hist) . . (+2) . . m 2015 AMC 10A Problems/Problem 16
- 18:19, 19 January 2020 (diff | hist) . . (-8) . . m 2015 AMC 10A Problems/Problem 2
- 20:42, 18 January 2020 (diff | hist) . . (-12) . . User:Rayfish
- 22:40, 14 January 2020 (diff | hist) . . (+1) . . m 2013 AMC 10B Problems/Problem 12
- 22:05, 11 January 2020 (diff | hist) . . (+1) . . m 2013 AMC 10A Problems/Problem 18
- 01:48, 10 January 2020 (diff | hist) . . (+398) . . 2012 AMC 10B Problems/Problem 19
- 19:56, 6 January 2020 (diff | hist) . . (+2) . . m 2011 AMC 10B Problems/Problem 23
- 18:43, 5 January 2020 (diff | hist) . . (-1) . . m 2019 USAMO Problems/Problem 6
- 18:15, 5 January 2020 (diff | hist) . . (0) . . m 2011 AMC 10A Problems/Problem 13
- 16:12, 5 January 2020 (diff | hist) . . (+793) . . 2010 AMC 10B Problems/Problem 13
- 15:58, 5 January 2020 (diff | hist) . . (0) . . m 2010 AMC 10B Problems/Problem 10
- 18:46, 1 January 2020 (diff | hist) . . (-1) . . m 2009 AMC 12A Problems/Problem 20
- 23:12, 31 December 2019 (diff | hist) . . (+4) . . 2008 AMC 10B Problems/Problem 22
- 23:11, 31 December 2019 (diff | hist) . . (+8) . . 2008 AMC 10B Problems/Problem 22
- 23:10, 31 December 2019 (diff | hist) . . (+20) . . 2008 AMC 10B Problems/Problem 22
- 23:09, 31 December 2019 (diff | hist) . . (+734) . . 2008 AMC 10B Problems/Problem 22
- 19:26, 30 December 2019 (diff | hist) . . (+214) . . 2007 AMC 12A Problems/Problem 9
- 19:16, 30 December 2019 (diff | hist) . . (+756) . . 2007 AMC 12A Problems/Problem 9
- 18:43, 30 December 2019 (diff | hist) . . (0) . . m 2007 AMC 10A Problems/Problem 2
- 20:18, 29 December 2019 (diff | hist) . . (-10) . . m 1973 USAMO Problems/Problem 5 (current)
- 19:05, 29 December 2019 (diff | hist) . . (+326) . . 2008 AMC 10A Problems/Problem 6
- 16:19, 29 December 2019 (diff | hist) . . (+88) . . 2019 AMC 8 Problems/Problem 7
- 23:00, 17 December 2019 (diff | hist) . . (+2) . . m 2006 AMC 10B Problems/Problem 25
- 22:49, 17 December 2019 (diff | hist) . . (+564) . . 2006 AMC 10B Problems/Problem 14
- 22:32, 17 December 2019 (diff | hist) . . (+39) . . N Wlog (Redirected page to Without loss of generality) (current) (Tag: New redirect)
- 22:23, 1 December 2019 (diff | hist) . . (+269) . . 2004 AMC 10A Problems/Problem 4
- 18:39, 30 November 2019 (diff | hist) . . (-3) . . m 2003 AMC 10B Problems/Problem 25
- 18:31, 30 November 2019 (diff | hist) . . (+11) . . 2003 AMC 12B Problems/Problem 8
- 22:04, 27 November 2019 (diff | hist) . . (-1) . . Talk:2003 AMC 12A Problems/Problem 18 (current)
- 22:04, 27 November 2019 (diff | hist) . . (+147) . . N Talk:2003 AMC 12A Problems/Problem 18 (Please merge pages.)
- 19:51, 26 November 2019 (diff | hist) . . (+31) . . User:Rayfish
- 19:50, 26 November 2019 (diff | hist) . . (-10) . . User:Rayfish
- 19:48, 26 November 2019 (diff | hist) . . (+21) . . User:Rayfish (Removed redirect to Www.aops.com) (Tag: Removed redirect)
- 19:43, 26 November 2019 (diff | hist) . . (0) . . User:Rayfish (Changed redirect target from User:Rayfish to Www.aops.com) (Tag: Redirect target changed)
- 19:37, 26 November 2019 (diff | hist) . . (+1) . . User:Rayfish (Redirected page to User:Rayfish) (Tag: New redirect)
- 19:18, 26 November 2019 (diff | hist) . . (-1) . . m 2002 AMC 12B Problems/Problem 2
- 19:05, 26 November 2019 (diff | hist) . . (0) . . 2002 AMC 10A (Fixed broken link) (current)
- 01:25, 26 November 2019 (diff | hist) . . (0) . . m AMC 12 Problems and Solutions
- 01:25, 26 November 2019 (diff | hist) . . (+44) . . AMC 12 Problems and Solutions (Undo revision 112190 by Rayfish (talk)) (Tag: Undo)
- 01:25, 26 November 2019 (diff | hist) . . (-44) . . AMC 12 Problems and Solutions (Undo revision 112189 by Rayfish (talk)) (Tag: Undo)
- 01:24, 26 November 2019 (diff | hist) . . (+44) . . m AMC 12 Problems and Solutions
- 01:11, 26 November 2019 (diff | hist) . . (-12) . . m 2002 AMC 10A Problems/Problem 25
- 01:04, 26 November 2019 (diff | hist) . . (+49) . . m 2002 AMC 10A Problems/Problem 22
- 21:51, 21 November 2019 (diff | hist) . . (0) . . m 2019 AMC 8 Problems/Problem 7
- 21:48, 21 November 2019 (diff | hist) . . (+34) . . m 2019 AMC 8 Problems/Problem 5
- 16:25, 11 November 2019 (diff | hist) . . (+25) . . N User:Rayfish (Created page with "this page does not exist.")
- 16:06, 11 November 2019 (diff | hist) . . (+2) . . 2014 AMC 8 Problems/Problem 25 (I fixed the links in the See Also box that go to previous and next problems.)