1. Which quadratic has x-intercepts at (-3, 0) and (5, 0)?

a) f (x) = (x - 3)(x + 5)
b) f (x) = x^2 - 3x + 5
c) f (x) = (x + 3)(x - 5)
d) f (x) = x^2 + 3x - 5