Question

Will the square of a negative number always be positive? Explain why.

Will the cube of a negative number always be negative? Explain why.

Answer 1

the square of a negative number always be positive

eg: -2² = -2×-2 = (-×- = +) +4

the cube of a negative number always be positive

eg: -2³ = -2×-2×-2 = (-×-×- = +) -8

Explanation:

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