Question #N665
If $x^2 - 2x - 8 = 0$, what is the sum of the solutions to the equation?
A. -2
B. 2
C. 8
D. 10
Correct Answer is: B
The sum of the roots of a quadratic equation of the form $ax^2 + bx + c = 0$ is given by $-b/a$. In this case, the sum of the solutions is $-(-2)/1 = 2$.