Question #N221
If $x^2 - 2x - 8 = 0$, what is the sum of the solutions to this equation?
A. -2
B. -1
C. 2
D. 6
Correct Answer is: C
We can factor the quadratic expression to get $(x-4)(x+2) = 0$. This means the solutions are $x = 4$ and $x = -2$. The sum of these solutions is $4 + (-2) = 2$.