Question

Which are the roots of the quadratic function f(q) = q2 – 125?

q = 5
q = –5
q = 3
q = –3
q = 25
q = –25

(all of them have root of 5 at the end btw)

Answer 1

The solutions to q² - 125 = 0 are q = ±√125.
  q = -5√5
  q = 5√5