9
lesson pretestMultiple Choice

Pretest

Question 9 • CMS 2026-2027 NC Math 2 CREDIT RECOVERY

What is the solution of cube root of x plus 8 is equal to negative 4 ?

Answer
A
x is equal to negative 72
B
x is equal to negative 66
C
x is equal to 58
D
no solution

Explanation

Interpret the equation as the cube root of x + 8 equal to −4. Cube both sides to undo the cube root: x + 8 = (−4)³ = −64. Subtract 8 to get x = −72, so the solution is choice A, x is equal to negative 72.

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