Question

Which of the following equations is of a parabola with a vertex at (0, -3)?

y = (x - 3)^2
y = (x + 3)^2
y = x^2 - 3
y = x^2 + 3

Answer 1

y = (x - 3)^2.....................

Answer 2

The answer is y = x^2 + 3