# How do you find the roots, real and imaginary, of #y=-5x^2 +(x -4)^2 # using the quadratic formula?

##### 1 Answer

May 26, 2016

#### Answer:

We have two real zeros, which are irrational. These are

#### Explanation:

Quadratic formula uses general form of quadratic equation

Hence, we should first convert the function

or

or

or

Hence, we have two real zeros, which are irrational.