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 sends x to 2(-1) - x = -2 - x. For N(-3,0):

x' = 2(-1) - (-3) = -2 + 3 = 1, y' = 0.

So N' = (1, 0).