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6.4 – nth Roots Day 1
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Inverse Operations:
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Inverse Operations: The inverse of raising a number to the nth power is finding the nth root of a number.
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nth Root:
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Principal Root: The nonnegative root, when there is more than one real root and n is even. Ex. 49 has two square roots, 7 and -7, since 72 and (-7)2 both equal 49. • So 7 is a principal root.
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nth roots in calculator
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Example 1: Simplify
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Example 2: Simplify
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Example 3: Simplify
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Example 4: Simplify
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Example 5: Simplify
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Example 6: Simplify
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Ticket Out: Simplify
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