Question

What is the value of x in the equation 1,331 x ^3 − 216 = 0?

A. -6/11
B. 11/6
C. 1/6
D. 6/11

Answer 1

x = 6/11 (Answer D)

Explanation:

1,331 x ^3 − 216 = 0 can be rewritten as 1,331 x ^3 = 216.

Taking the cube root of both sides, we get: 11x = 6, and so:

x = 6/11 (Answer D)