# How do you graph #y = x² + 2x – 4#?

##### 1 Answer

Aug 16, 2015

Graph y = x^2 + 2x - 4

#### Explanation:

To graph a parabola, find a few critical points:

Axis of symmetry -->

Vertex -->

y = f(-1) = 1 - 2 - 4 = -5

y-intercept --> make x = 0 --> y = -4

x-intercept --> solve y = 0 -->

graph{x^2 + 2x - 4 [-10, 10, -5, 5]}