# How do you find the roots, real and imaginary, of #y=2x^2 + 5x - 12 # using the quadratic formula?

##### 1 Answer

Feb 25, 2016

Look at

#### Explanation:

In a quadratic equation the formula to find the roots is

#x=(-b+-sqrt(b^2-(4xx a xx c)))/(2a)#

If

If

In our case -

#(5^2-(4 xx 2 xx (-12)#

#(25-(-96)#

#(25+96)=121>0#

Since