# How do you use the discriminant to classify the conic section #4x^2 + 32x - 10y + 85 = 0#?

##### 1 Answer

Nov 14, 2016

#### Answer:

The equation represents a parabola.

#### Explanation:

Comparing this equation to

We calculate the discriminant

As

If

If

graph{4x^2+32x-10y+85=0 [-19.6, 20.93, -3.2, 17.08]}