Question

Using the quadratic formula, find the solution to x^2−6x−16=0
.(1 point)

Answer 1

For x^2 − 6x − 16 = 0, a = 1, b = −6, c = −16.
x = [−b ± √(b^2 − 4ac)]/(2a) = [6 ± √(36 + 64)]/2 = [6 ± √100]/2 = [6 ± 10]/2.

Thus x = 8 or x = −2.