# How do you use the important points to sketch the graph of #y = 4x^2 + 5x - 1 #?

##### 1 Answer

Jul 25, 2018

Below

#### Explanation:

To graph a parabola, it is a good idea to find:

- vertex
- x-intercepts
- y-intercepts

X-intercepts

When

Y-intercepts

When

Vertex

Sub

The vertex is

Plotting your vertex and intercepts, you should get the graph below

graph{4x^2+5x-1 [-10, 10, -5, 5]}