Dividing Radicals — Unit test Answers
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21
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Which expression is equivalent to ? Assume .
A
StartFraction 5 Over x Superscript 12 Baseline y Superscript 30 Baseline EndFraction
B
StartFraction 1 Over 5 x Superscript 8 Baseline y Superscript 13 Baseline EndFraction
C
StartFraction 5 Over x Superscript 4 Baseline y Superscript 7 Baseline EndFraction
D
StartFraction y Superscript 7 Baseline Over 5 x Superscript 4 Baseline EndFraction
22
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What is the following product?
A
x squared (RootIndex 3 StartRoot 28 x squared EndRoot)
B
x Superscript 5 Baseline (RootIndex 3 StartRoot 28 x EndRoot)
C
4 x squared (RootIndex 3 StartRoot 3 x squared EndRoot)
D
4 x Superscript 5 Baseline (RootIndex 3 StartRoot 3 x EndRoot)
23
What is the solution of ?
A
x = –3B
x = 4C
x = –3 or x = 4D
no solution24
What is the following quotient?
A
StartFraction 9 StartRoot 7 EndRoot + StartRoot 14 EndRoot Over negative 3 EndFraction
B
StartFraction 36 minus 9 StartRoot 7 EndRoot + 4 StartRoot 2 EndRoot minus StartRoot 14 EndRoot EndFraction
C
StartFraction 36 + 9 StartRoot 7 EndRoot + 4 StartRoot 2 EndRoot + StartRoot 14 EndRoot Over 9 EndFraction
D
StartFraction 79 Over 9 EndFraction
25
Which expression is equivalent to ? Assume .
A
StartFraction 8 m Superscript 7 Baseline n Superscript 6 Baseline Over 3 EndFraction
B
StartFraction 10 m Superscript 7 Baseline n Superscript 6 Baseline Over 3 EndFraction
C
StartFraction 8 m Superscript 16 Baseline n Superscript 12 Baseline Over 3 EndFraction
D
StartFraction m Superscript 4 Baseline n Superscript 6 Baseline Over 3 EndFraction
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