Question #N556
If $x^2 - 2x - 8 = 0$, what is the sum of the solutions to the equation?
A. -2
B. -1
C. 2
D. 6
Correct Answer is: C
The sum of the solutions to a quadratic equation of the form ax^2 + bx + c = 0 is -b/a. In this case, a = 1 and b = -2, so the sum of the solutions is -(-2)/1 = 2.