SOLUTION: if P=(-2,7) find R x=1(P) and the answer is 4,7 and the next problem says if P=(-2,7),find R y-axis(P) would the answer be (-4,7)

Algebra ->  Geometry-proofs -> SOLUTION: if P=(-2,7) find R x=1(P) and the answer is 4,7 and the next problem says if P=(-2,7),find R y-axis(P) would the answer be (-4,7)      Log On


   



Question 1116800: if P=(-2,7) find
R x=1(P) and the answer is 4,7
and the next problem says
if P=(-2,7),find
R y-axis(P) would the answer be (-4,7)

Answer by greenestamps(13216) About Me  (Show Source):
You can put this solution on YOUR website!


No....

A reflection in the y-axis (the line x=0) changes the x value to its opposite and leaves the y value unchanged.

If (-4,7) is the image of (-2.7) under a reflection, then the reflection would be about the vertical line which is halfway between -4 and -2 -- i.e., about the line x=-3.