Question

Name the coordinates of S(-7, 1) under a reflection in the
y-axis.

Answer 1

(7, 1)

Explanation:

when reflecting over the y axis, the x coordinate changes sign.

Answer 2

(7, 1 )

Explanation:

Under a reflection in the y- axis

a point (x, y ) → (- x, y ) , thus

S(- 7, 1 ) → S'(7, 1 )