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10 Cards in this Set
- Front
- Back
√ is called:
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the Radical symbol
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the number inside the radical symbol is called:
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the Radicand
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the number placed on the left corner of the radical symbol is called:
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the index
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index of 2 is called:
index of 3 is called: index of 4,5,6... is called: |
index of 2 is called: square root
index of 3 is called: cube root index of 4,5,6... is called: 4th root, 5th root, etc. |
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the SQUARE root of any positive number has _____ roots.
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2 roots; one positive and one negative
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The SQUARE root of zero is:
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zero
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What is the result of even roots of negative numbers?
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No real number
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What is the result of odd roots of negative numbers?
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real number answers
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What are rational numbers?
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They are numbers that can be expressed as the ratio of two integers.
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What are irrational numbers?
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They are numbers that cannot be expressed as the ratio of two integers. They are non-terminating, non-repeating numbers such as π or the square of a prime number.
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