Difference between revisions of "2022 AMC 8 Problems/Problem 4"
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==Problem== | ==Problem== | ||
| − | + | ||
| + | The letter <b>M</b> in the figure below is first reflected over the line <math>q</math> and then reflected over the line <math>p</math>. What is the resulting image? | ||
| + | |||
| + | <asy> | ||
| + | // pog diagram | ||
| + | usepackage("newtxtext"); | ||
| + | size(3cm); | ||
| + | draw((-1,0)--(1,0)); draw((0,-1)--(0,1)); label("$\textbf{\textsf{M}}$",(0.25,0.6)); | ||
| + | draw((-0.8,-0.8)--(0.8,0.8),linewidth(1.1)); label("$p$", (-1,0),NE); label("$q$", (-0.75,-0.75), N*1.5); | ||
| + | </asy> | ||
| + | |||
| + | <asy> | ||
| + | // pog diagram | ||
| + | usepackage("newtxtext"); | ||
| + | size(12.5cm); | ||
| + | draw((-1,0)--(1,0)); draw((0,-1)--(0,1)); label(rotate(90)*"$\textbf{\textsf{M}}$",(0.6,-0.25)); | ||
| + | draw((-0.8,-0.8)--(0.8,0.8),linewidth(1.1)); | ||
| + | label("$\textbf{(A)}$",(-1,1),W); | ||
| + | draw((2,0)--(4,0)); draw((3,-1)--(3,1)); label(rotate(270)*"$\textbf{\textsf{M}}$",(2.8,0.7)); | ||
| + | draw((2.2,-0.8)--(3.8,0.8),linewidth(1.1)); | ||
| + | label("$\textbf{(B)}$",(2,1),W); | ||
| + | draw((5,0)--(7,0)); draw((6,-1)--(6,1)); label(rotate(90)*"$\textbf{\textsf{M}}$",(5.4,0.2)); | ||
| + | draw((5.2,-0.8)--(6.8,0.8),linewidth(1.1)); | ||
| + | label("$\textbf{(C)}$",(5,1),W); | ||
| + | draw((-1,-2.5)--(1,-2.5)); draw((0,-3.5)--(0,-1.5)); label(rotate(180)*"$\textbf{\textsf{M}}$",(-0.25,-3.1)); | ||
| + | draw((-0.8,-3.3)--(0.8,-1.7),linewidth(1.1)); | ||
| + | label("$\textbf{(D)}$",(-1,-1.5),W); | ||
| + | draw((2,-2.5)--(4,-2.5)); draw((3,-3.5)--(3,-1.5)); label(rotate(270)*"$\textbf{\textsf{M}}$",(3.6,-2.75)); | ||
| + | draw((2.2,-3.3)--(3.8,-1.7),linewidth(1.1)); | ||
| + | label("$\textbf{(E)}$",(2,-1.5),W); | ||
| + | </asy> | ||
==Solution== | ==Solution== | ||
Revision as of 10:31, 28 January 2022
Problem
The letter M in the figure below is first reflected over the line 
and then reflected over the line 
. What is the resulting image?
![[asy] // pog diagram usepackage("newtxtext"); size(3cm); draw((-1,0)--(1,0)); draw((0,-1)--(0,1)); label("$\textbf{\textsf{M}}$",(0.25,0.6)); draw((-0.8,-0.8)--(0.8,0.8),linewidth(1.1)); label("$p$", (-1,0),NE); label("$q$", (-0.75,-0.75), N*1.5); [/asy]](http://latex.artofproblemsolving.com/c/3/8/c38b67d113d5fbf1b6d6eae0d87161b539dbd849.png)
![[asy] // pog diagram usepackage("newtxtext"); size(12.5cm); draw((-1,0)--(1,0)); draw((0,-1)--(0,1)); label(rotate(90)*"$\textbf{\textsf{M}}$",(0.6,-0.25)); draw((-0.8,-0.8)--(0.8,0.8),linewidth(1.1)); label("$\textbf{(A)}$",(-1,1),W); draw((2,0)--(4,0)); draw((3,-1)--(3,1)); label(rotate(270)*"$\textbf{\textsf{M}}$",(2.8,0.7)); draw((2.2,-0.8)--(3.8,0.8),linewidth(1.1)); label("$\textbf{(B)}$",(2,1),W); draw((5,0)--(7,0)); draw((6,-1)--(6,1)); label(rotate(90)*"$\textbf{\textsf{M}}$",(5.4,0.2)); draw((5.2,-0.8)--(6.8,0.8),linewidth(1.1)); label("$\textbf{(C)}$",(5,1),W); draw((-1,-2.5)--(1,-2.5)); draw((0,-3.5)--(0,-1.5)); label(rotate(180)*"$\textbf{\textsf{M}}$",(-0.25,-3.1)); draw((-0.8,-3.3)--(0.8,-1.7),linewidth(1.1)); label("$\textbf{(D)}$",(-1,-1.5),W); draw((2,-2.5)--(4,-2.5)); draw((3,-3.5)--(3,-1.5)); label(rotate(270)*"$\textbf{\textsf{M}}$",(3.6,-2.75)); draw((2.2,-3.3)--(3.8,-1.7),linewidth(1.1)); label("$\textbf{(E)}$",(2,-1.5),W); [/asy]](http://latex.artofproblemsolving.com/1/9/b/19b58c8f6aafe00e0ad5454583fda04c3567f944.png)
Solution
See Also
| 2022 AMC 8 (Problems • Answer Key • Resources) | ||
| Preceded by Problem 3 |
Followed by Problem 5 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| All AJHSME/AMC 8 Problems and Solutions | ||
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
