Question

Which of the following list all x - intercepts of the graph of the equation y = x^3 - 4x ?

Answer 1

Explanation:

x³ - 4x = 0

x (x² - 4) = 0

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

Thus the answer is (b) (-2 , 0) , (0 , 0) , (2 , 0)