Question

Figure ABCD was reflected across the x-axis to create figure A'B'C'D'.

What are the coordinates of the pre-image of B'?

(2, –8)
(–8, –2)
(–2, 8)
(8, 2)

Answer 1

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Answer 2

(- 8, - 2 )

Explanation:

Under a reflection in the x- axis

a point (x, y ) → (x, - y )

B' (- 8, 2 ), thus

B (- 8, - 2 )