Question

What does the quadratic function that has a vertex of (3,4) look like?

a
y = a(x-3)2 - 4
b
y = a(x-3)2 + 4
c
y = -a(x+3) - 4
d
y = a(x+3)2 + 4

Answer 1

recall that if the vertex is at (h,k) then

y = a(x-h)^2 + k