# How do you find the axis of symmetry, graph and find the maximum or minimum value of the function # y=-3x^2#?

##### 1 Answer

Jul 23, 2018

Maximum at

#### Explanation:

Given:

When the equation is in

The vertex is

the axis of symmetry is

Maximum is at the vertex

To find more points, use point plotting. Since

Graph of

graph{-3x^2 [-5, 5, -15, 5]}