# What is the axis of symmetry and vertex for the graph #y=x^2-7#?

##### 1 Answer

Jul 3, 2017

Axis of symmetry is

#### Explanation:

A general equation of a parabola is

Observe that we can write the given equation

and hence while axis of symmetry is

graph{(y-x^2+7)(x^2+(y+7)^2-0.02)=0 [-20, 20, -10, 10]}