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You are here: Home / ACT Practice Questions / Reflection of points in the coordinate plane: ACT Math Practice Question

Reflection of points in the coordinate plane: ACT Math Practice Question

May 8, 2023 Leave a Comment

 

Try the following ACT math practice question that tests your understanding of reflection of points across the vertical axis and straight lines in the coordinate plane.

In the $xy$-coordinate plane, point $A$ is the reflection of the point with coordinates $(4, 2)$ across the straight line $y = x$. If point $B$ is the reflection of point $A$ across the $y$-axis, what are the coordinates of point $B$?

  1. $\quad (2, -4)$
  2. $\quad (-2,-4)$
  3. $\quad (-2, 4)$
  4. $\quad (-4, -2)$
  5. $\quad (-4,2)$

Choice C

Video Explanation

 

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