Which equation has a graph that is a parabola with a vertex at (1,HI)?
Oy=(-12+1
O y--1-
O y=(«+ 1) +1
O y=x+1)-1

Which equation has a graph that is a parabola with a vertex at 1HI Oy121 O y1 O y 1 1 O yx11 class=