Adding and Subtracting Radicals Answers

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1
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Which of the following is a like radical to ?

Question illustration
A
4 (RootIndex 3 StartRoot 7 x EndRoot)
Option A
B
StartRoot 7 x EndRoot
Option B
C
x (RootIndex 3 StartRoot 7 EndRoot)
Option C
D
7 StartRoot x EndRoot
Option D
2
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What is the simplified form of the following expression? Assume and

Question illustration
A
5 (RootIndex 4 StartRoot x EndRoot) minus 4 (RootIndex 4 StartRoot 32 y EndRoot)
Option A
B
5 (RootIndex 4 StartRoot x EndRoot) minus 6 (RootIndex 4 StartRoot 2 y EndRoot)
Option B
C
13 (RootIndex 4 StartRoot x EndRoot) minus 10 (RootIndex 4 StartRoot 2 y EndRoot)
Option C
D
35 (RootIndex 4 StartRoot x EndRoot) minus 18 (RootIndex 4 StartRoot 2 y EndRoot)
Option D
3

Which of the following is a like radical to ?

Question illustration
A
x (RootIndex 3 StartRoot 6 x EndRoot)
Option A
B
6 (RootIndex 3 StartRoot x squared EndRoot)
Option B
C
4 (RootIndex 3 StartRoot 6 x squared EndRoot)
Option C
D
x (RootIndex 3 StartRoot 6 EndRoot)
Option D
4

What is the following sum?

Question illustration
A
7 (RootIndex 10 StartRoot x squared y EndRoot)
Option A
B
7 (RootIndex 10 StartRoot x Superscript 4 Baseline y squared EndRoot)
Option B
C
7 (RootIndex 5 StartRoot x squared y EndRoot)
Option C
D
7 (RootIndex 5 StartRoot x Superscript 4 Baseline y squared EndRoot)
Option D
5

What is the following sum? Assume and

Question illustration
A
x squared y squared StartRoot y EndRoot minus 2 x y squared StartRoot x EndRoot
Option A
B
2 x y StartRoot y EndRoot + 2 x y squared StartRoot x EndRoot
Option B
C
4 x y StartRoot x Superscript 5 Baseline y Superscript 8 Baseline EndRoot
Option C
D
2 x y StartRoot x y EndRoot
Option D
6

What is the following sum?

Question illustration
A
6 StartRoot 10 EndRoot
Option A
B
8 StartRoot 10 EndRoot
Option B
C
6 StartRoot 5 EndRoot
Option C
D
8 StartRoot 5 EndRoot
Option D
7

What is the simplified form of the following expression? Assume and

Question illustration
A
7 a c (RootIndex 4 StartRoot a b squared EndRoot)
Option A
B
7 (RootIndex 4 StartRoot a b squared EndRoot)
Option B
C
Negative 7 (RootIndex 4 StartRoot a b squared EndRoot)
Option C
D
Negative 7 a c (RootIndex 4 StartRoot a b squared EndRoot)
Option D
8

What is the following sum?

Question illustration
A
8 x cubed y Superscript 4 Baseline (RootIndex 3 StartRoot x y EndRoot)
Option A
B
15 x Superscript 6 Baseline y Superscript 8 Baseline (RootIndex 3 StartRoot x y EndRoot)
Option B
C
15 x cubed y Superscript 4 Baseline (RootIndex 3 StartRoot x y EndRoot)
Option C
D
8 x Superscript 6 Baseline y Superscript 8 Baseline (RootIndex 3 StartRoot x y EndRoot)
Option D
9

What is the following sum in simplest form?

Question illustration
A
3 StartRoot 8 EndRoot + 3 StartRoot 2 EndRoot
Option A
B
5 StartRoot 42 EndRoot
Option B
C
9 StartRoot 2 EndRoot
Option C
D
5 StartRoot 2 EndRoot + StartRoot 32 EndRoot
Option D

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