Question

Find the coordinates of the image.Rx=3(U)Rx = 3(U) = (Type an ordered pair.)

Answer 1

If we draw the point U and the line x = 3, we have the following:

notice that U is exactly 4 units from the line x = 3, thus, the reflection would be 4 units to the left of the line,so the reflected point would be:

$R_{x=3}(7,4)=(-1,4)$