Question

Reflect the point (7,0) across the y-axis

Answer 1

`A(7,0)\Longrightarrow\boxed{A'(-7,0)}`

Hope this helps.

r3t40

Answer 2

(- 7, 0)

Explanation:

Under a reflection in the y- axis

a point (x, y ) → (- x, y )

Hence

(7, 0 ) → (- 7, 0 )