Fractional Exponents

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Fractional Exponents
2
42 4 4 16
2 factors of 4
4 squared
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16½ ?
½ of the (identical) factors of 16
16 4 4, so
16½ 4
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The Square Root or Square Factor
16
4
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(No Transcript)
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16¼ ?
¼ of the (identical) factors of 16
16 2 2 2 2, so
16¼ 2
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Exponents are Exponents

• They all work the same way.

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Exponents are Exponents
(ab)½ a½b½
(425)½ 4½ 25½
(100)½ 2 5
10
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Exponents are Exponents
2
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The Root Symbol
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2v161
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2v43
(--Anyone see what this equals?)
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Working with Exponents
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(No Transcript)
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4
16
2v93
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Simplifying Radicals

• The Lock and The Key

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x
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3v125
How can we make a lock to fit the key?
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2v25x4
How can we make a lock to fit the key?
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Rationalizing the Denominator
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2 v5
How can we get the square root out of the
denominator?
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(No Transcript)
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Homework

• Page 75
• 5-22, 41-46, 53-72

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