Advanced MathEasyCube that is negative
Advanced Math practice question
A number multiplied by itself three times gives −8. Which number is it?
- A. −2Correct
- B. 2
- C. −4
- D. −8/3
Answer: A. −2
(−2)(−2)(−2) = −8.
Why the other answers are wrong
- B. 2
- 2 × 2 × 2 = 8, which is positive.
- C. −4
- (−4)³ = −64.
- D. −8/3
- −8/3 is −8 divided by 3, not a cube root.
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