# How do you find the coordinates of the vertex for the parabola f(x) x^2 + 3?

Make sure the square $= 0$ and see what $y$ you get.
This one is easy because when $x = 0 \to {x}^{2} = 0$
This will give an $f \left(x\right) = 3$
So the vertex $= \left(0 , 3\right)$