Answer:
vortex form: y = a(x - 2)^2 + 4
standard form: y = ax^2 - 4ax + 4a + 4
Step-by-step explanation:
(h, k) = (2, 4)
y = a(x - h)^2 + k
y = a(x - 2)^2 + 4
y = a(x^2 - 4x +4) + 4
y = ax^2 - 4ax + 4a + 4
