Question

What is the vertex of the parabola whose equation is y = (x + 1)2 + 3?

a) (-1, -3)
b) (-1, 3)
c) (1, 3)

Answer 1

\(y=(x-h)^2+k\) has vertex \((h,k)\)
how about
\(y=(x+1)^2+3\) >

Answer 2

The vertex is (-h, k)