# How do you write an equation in standard form of the parabola that has vertex (-8,-3) and passes through the point (4,717)?

##### 1 Answer

Feb 20, 2018

#### Explanation:

The formula for a parabola can be written as

Here,

We can input the above into the equation:

We know that one of the coordinates is

Since

We can graph it:

graph{5x^2+80x+317 [-29.24, 35.7, -11.13, 21.33]}

Notice the vertex is at

So the above is proved.