# How do you graph #y = -x^2 + 3#?

##### 1 Answer

Jun 13, 2015

graph{-x^2+3 [-10, 10, -5, 5]}

#### Explanation:

The equation is of the kind

Now you have to calculate the vertex:

use the formula

So the vertex is in

Then you calculate the intersection with the x axis. Trivially, they are

Now use what you know and draw the curve, as in the graph.