Question

What are the zeros of the function? f(x)=2x^2−8x−10

Answer 1

Factor the equation:

0 = (2x + 2)(x - 5)

Set each piece equal to 0, and solve for x:

2x + 2 = 0
2x = -2
x = -1

x - 5 = 0
x = 5

So the zeros of this function are x = -1 and x = 5.