How do you find the roots, real and imaginary, of #y=-2(x +3)^2-7x+5# using the quadratic formula?
1 Answer
Aug 30, 2017
There are no imaginary solutions.
Explanation:
First, combine like terms and simplify the expression so it's in standard quadratic form:
The original expression:
After FOILing
After multiplying that by
After adding additional terms and simplifying:
To find the roots (AKA zeros), just plug it into the quadratic formula:
There are no imaginary solutions.