Will medal and fan
Vertex B of ΔABC has coordinates (−9, 0). If ΔABC is reflected over the y-axis, what are the coordinates of vertex Bʹ?

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Question

Will medal and fan
Vertex B of ΔABC has coordinates (−9, 0). If ΔABC is reflected over the y-axis, what are the coordinates of vertex Bʹ?

(     ,     )

faiqraees · Answer

reflecting over y axis will result in $$\large\rm (x,y) ---->(-x,y)$$
Can you figure it out now?