Answers SVLC ALGEBRA 2B - STANDARD 15272Adding and Subtracting Radicals

Adding and Subtracting Radicals Answers

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What is the following sum?

7 (RootIndex 10 StartRoot x squared y EndRoot)

7 (RootIndex 10 StartRoot x Superscript 4 Baseline y squared EndRoot)

7 (RootIndex 5 StartRoot x squared y EndRoot)

7 (RootIndex 5 StartRoot x Superscript 4 Baseline y squared EndRoot)

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What is the following difference?

Negative 3 a b (RootIndex 3 StartRoot 3 a b squared EndRoot)

16 a b squared (RootIndex 3 StartRoot 3 a EndRoot) minus 45 a squared b squared (RootIndex 3 StartRoot 3 b EndRoot)

Negative 7 a b (RootIndex 3 StartRoot 3 a b squared EndRoot)

8 a b (RootIndex 3 StartRoot 3 a b squared EndRoot) minus 15 a b squared (RootIndex 3 StartRoot 3 a b EndRoot)

What is the following sum?

8 x cubed y Superscript 4 Baseline (RootIndex 3 StartRoot x y EndRoot)

15 x Superscript 6 Baseline y Superscript 8 Baseline (RootIndex 3 StartRoot x y EndRoot)

15 x cubed y Superscript 4 Baseline (RootIndex 3 StartRoot x y EndRoot)

8 x Superscript 6 Baseline y Superscript 8 Baseline (RootIndex 3 StartRoot x y EndRoot)

Which of the following is a like radical to ?

x (RootIndex 3 StartRoot 6 x EndRoot)

6 (RootIndex 3 StartRoot x squared EndRoot)

4 (RootIndex 3 StartRoot 6 x squared EndRoot)

x (RootIndex 3 StartRoot 6 EndRoot)

The formula gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side of a cube with a surface area of 180 square meters than a cube with the surface area of 120 square meters?

Which of the following is a like radical to ?

4 (RootIndex 3 StartRoot 7 x EndRoot)

StartRoot 7 x EndRoot

x (RootIndex 3 StartRoot 7 EndRoot)

7 StartRoot x EndRoot

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

5 (RootIndex 4 StartRoot x EndRoot) minus 4 (RootIndex 4 StartRoot 32 y EndRoot)

5 (RootIndex 4 StartRoot x EndRoot) minus 6 (RootIndex 4 StartRoot 2 y EndRoot)

13 (RootIndex 4 StartRoot x EndRoot) minus 10 (RootIndex 4 StartRoot 2 y EndRoot)

35 (RootIndex 4 StartRoot x EndRoot) minus 18 (RootIndex 4 StartRoot 2 y EndRoot)

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.