Question

Which of the following are solutions of the quadratic equation below?
Check all that apply.
2x^2-2x-2=x
A.-1/2
B. 1
C. 3
D. 2
E. -3
F. -4

Answer 1

subtract from both sides x: 2x2-2x-x-2=0 --------->2x2-3x-2=0
use the quadratic fromula

Answer 2

what can you use when you have a quadratic eq?

Answer 3

\[(3+-\sqrt(9+16))/4\]