Adding and Subtracting Radicals Answers
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1
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Which expression is equivalent to ?
A
StartFraction 1 Over RootIndex 5 StartRoot x cubed EndRoot EndFraction
B
StartFraction 1 Over RootIndex 3 StartRoot x Superscript 5 Baseline EndRoot EndFraction
C
Negative RootIndex 3 StartRoot x Superscript 5 Baseline EndRoot
D
Negative RootIndex 5 StartRoot x cubed EndRoot
2
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Which expression is equivalent to ?
A
x Superscript five-thirds Baseline y
B
s Superscript five-thirds Baseline y Superscript one-third
C
x Superscript three-fifths Baseline y
D
x Superscript three-fifths Baseline y cubed
3
Which expression is equivalent to ?
A
4x2B
4x4C
64x2D
64x44
The equation shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A, in astronomical units, AU. If planet Y is twice the mean distance from the sun as planet X, by what factor is the orbital period increased?
A
2 Superscript one-third
B
2 Superscript one-half
C
2 Superscript two-thirds
D
2 Superscript three-halves
5
Which of the following is equivalent to ?
A
–18B
–6C
One-eighteenth
D
One-sixth
6
Which expression is equivalent to ?
A
StartRoot x y Superscript 9 Baseline EndRoot
B
RootIndex 9 StartRoot x y squared EndRoot
C
x (StartRoot y Superscript 9 EndRoot)
D
x (RootIndex 9 StartRoot y squared EndRoot)
8
Which of the following is equivalent to ?
A
5–4B
54C
RootIndex 7 StartRoot 5 cubed EndRoot
D
RootIndex 3 StartRoot 5 Superscript 7 Baseline EndRoot
9
Which of the following is equivalent to ?
A
StartFraction 60 Over 2 EndFraction
B
StartRoot 60 EndRoot
C
StartFraction 1 Over 60 squared EndFraction
D
StartFraction 1 Over StartRoot 60 EndRoot EndFraction
10
Which expression is equivalent to ?
A
RootIndex 16 StartRoot 4 Superscript 5 Baseline EndRoot
B
StartRoot 2 Superscript 5 EndRoot
C
2D
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