AnswersDHS Algebra 2 VAdding and Subtracting Radicals

Adding and Subtracting Radicals Answers

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21
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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
22
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Wyatt’s eye-level height is 120 ft above sea level, and Shawn’s eye-level height is 270 ft above sea level. How much farther can Shawn see to the horizon? Use the formula , with d being the distance they can see in miles and h being their eye-level height in feet.

Question illustration
A
mi
Option A
B
mi
Option B
C
mi
Option C
D
mi
Option D
23

Which of the following is a like radical to ?

Question illustration
A
x (RootIndex 3 StartRoot 5 EndRoot)
Option A
B
StartRoot 5 y EndRoot
Option B
C
3 (RootIndex 3 StartRoot 5 x EndRoot)
Option C
D
y StartRoot 5 EndRoot
Option D
24

Wyatt’s eye-level height is 120 ft above sea level, and Shawn’s eye-level height is 270 ft above sea level. How much farther can Shawn see to the horizon? Use the formula , with d being the distance they can see in miles and h being their eye-level height in feet.

Question illustration
A
mi
Option A
B
mi
Option B
C
mi
Option C
D
mi
Option D
25

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
26

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
27

What is the following sum?

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

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