Question

for F(-5,5),U((-1,4),N(-3,0) x=1 what are the coordinates for N' after a reflection

Answer 1

Reflecting across the vertical line x = 1 keeps y the same and sends x to x' = 2(1) - x.

For N(-3, 0): x' = 2(1) - (-3) = 2 + 3 = 5, so N' = (5, 0).