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 = x2- 3
y = x2+ 3

Answer 1

Something that'd look like this

\(\Rightarrow y = (x - 0)^2 + 3 \)

Answer 2

x - 0 = x

\(\Rightarrow y = x^2 + 3\)