Asked by Alexxis
The image of a point after a reflection over the line y = –x is (7, –1). Find the coordinates of the preimage.
Answers
Answered by
Reiny
ummh, doesn't it say the y is the opposite of the x ?
(and the x is the opposite of the y ?)
so (7,-1) ----> (1, -7)
check:
plot the points and see how they relate to the line y = -x
(and the x is the opposite of the y ?)
so (7,-1) ----> (1, -7)
check:
plot the points and see how they relate to the line y = -x