Respuesta :
-8,-9 because reflecting over a certain axis means you multiply the number in the coordinate pair of that axis by -1
reflection acorss the y axis turns (x,y) to (-x,y)
so
reflection of (-8,9) across y axis is (8,9)
remember te y axis is the vertical axis
so
reflection of (-8,9) across y axis is (8,9)
remember te y axis is the vertical axis