Question

Lucy draws a line on a coordinate plane. Which transformation will always result in a line perpendicular to Lucy’s line?

A. dilate by a factor of 2 with the origin as the center of dilation

B. reflect over the line y = x

C. rotate 270° clockwise around the origin

D. reflect over the x -axis, and then reflect over the y -axis

Answer 1

@Vocaloid

Answer 2

@Vocaloid

Answer 3

any ideas? try drawing a line (perhaps a straight horizontal line will be easier to transform)

go through the choices one by one and see which results in a perpendicular line