# How do you find the discriminant and how many and what type of solutions does #y=x^2-8x+7# have?

##### 1 Answer

Apr 29, 2015

Based on quadratic equations of the form

the discriminant is

-this is taken from the component of the square root in the solution formula

For

Since

there are two roots

and since

the roots are Rational.

In fact based on the full form of

the roots are Integers.