Question

The coordinate P(−2,7) is reflected over the y-axis. State the coordinate of P′.(1 point)%0D%0AResponses%0D%0A%0D%0AP′(2,7)%0D%0Aupper P prime left parenthesis 2 comma 7 right parenthesis%0D%0A%0D%0AP′(−2,−7)%0D%0Aupper P prime left parenthesis negative 2 comma negative 7 right parenthesis%0D%0A%0D%0AP′(7,2)%0D%0Aupper P prime left parenthesis 7 comma 2 right parenthesis%0D%0A%0D%0AP′(2,−7)

Answer 1

When a point is reflected over the y-axis, the x-coordinate changes its sign while the y-coordinate remains the same.

For the point P(−2, 7), reflecting it over the y-axis gives us:

P′(2, 7)

So the correct coordinate of P′ is:

P′(2, 7)