Question

What are the x- and y-intercepts of f(x) = x2 - 49?

Answer 1

x-intercepts: (-7, 0) and (7, 0)

y-intercept: (0, -49)

Explanation:

x-intercepts: f(x) = 0

x² - 49 = 0

x² = 49

x = -7 ∨ x = 7

Points: (-7, 0) and (7, 0)

y-intecept: y = f(0)

f(0) = 0² - 49 = -49

Point: (0, -49)