Unit Test — Unit test Answers

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21
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Which of the following is a radical equation?

A
x StartRoot 3 EndRoot = 13
Option A
B
x + StartRoot 3 EndRoot = 13
Option B
C
StartRoot x EndRoot + 3 = 13
Option C
D
x + 3 = StartRoot 13 EndRoot
Option D
22
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What is the following product?

Question illustration
A
4 x squared
Option A
B
RootIndex 5 StartRoot 16 x Superscript 4 Baseline EndRoot
Option B
C
2 (RootIndex 5 StartRoot 4 x squared EndRoot)
Option C
D
16 x Superscript 4
Option D
23

What is the following product?

Question illustration
A
2 StartRoot 42 EndRoot + 7 StartRoot 2 EndRoot minus 6 minus StartRoot 21 EndRoot
Option A
B
StartRoot 14 EndRoot minus 6 + StartRoot 7 EndRoot
Option B
C
StartRoot 26 Endroot + StartRoot 21 EndRoot minus StartRoot 15 EndRoot minus StartRoot 10 EndRoot
Option C
D
2 StartRoot 42 EndRoot minus StartRoot 21 EndRoot
Option D
24

What is the solution of ?

Question illustration
A
x = twelve-fifths
Option A
B
x = negative twelve-fifths
Option B
C
x = –6 or x = –3
D
no solution
25

Which of the following is equivalent to ?

Question illustration
A
132
B
1315
C
13 Superscript five-thirds
Option C
D
13 Superscript three-fifths
Option D

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