# How do use the discriminant test to determine whether the graph #9x^2+6xy+y^2+6x-22=0# whether the graph is parabola, ellipse, or hyperbola?

##### 1 Answer

Jan 30, 2018

#### Answer:

Let's set it up...

#### Explanation:

In the form that your section is in,

A = 9, B = 6, and C = 1.

These are the lead coefficients of

Let

Then

Since the discriminant is zero, this is a parabola.