SOLUTION: How do you find the cube root of -8^3?
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Algebra: Radicals -- complicated equations involving roots
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Question 125546
:
How do you find the cube root of -8^3?
Answer by
josmiceli(6783)
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So the cube root is
Notice the following
(-)(-) = +
(-)(-)(-) = -
(-)(-)(-)(-) = +
When you multiply (-)'s an odd number of times, you get (-)
When you multiply (-)'s an even number of times, you get (+)