Question #N347
If $x^{2} - 2x - 8 = 0$, what is the sum of the solutions?
A. -2
B. 2
C. 8
D. 10
Correct Answer is: B
We can factor the quadratic equation as $(x-4)(x+2) = 0$. The solutions are $x = 4$ and $x = -2$. The sum of the solutions is $4+(-2) = 2$.