Question

Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?

Answer 1

S' (- 3, 7 )

Explanation:

under a reflection in the y- axis

a point (x, y ) → (- x, y ) , then

S (3, 7 ) → (- 3, 7 )