Adding and Subtracting Radicals Answers

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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
2
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What is the following difference?

Question illustration
A
Negative 3 a b (RootIndex 3 StartRoot 3 a b squared EndRoot)
Option A
B
16 a b squared (RootIndex 3 StartRoot 3 a EndRoot) minus 45 a squared b squared (RootIndex 3 StartRoot 3 b EndRoot)
Option B
C
Negative 7 a b (RootIndex 3 StartRoot 3 a b squared EndRoot)
Option C
D
8 a b (RootIndex 3 StartRoot 3 a b squared EndRoot) minus 15 a b squared (RootIndex 3 StartRoot 3 a b EndRoot)
Option D
3

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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Adding and Subtracting Radicals Answers —…