AnswersDHS Algebra 2 VAdding and Subtracting Radicals

Adding and Subtracting Radicals Answers

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Which of the following are like radicals? Check all of the boxes that apply.

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What is the radical part of both [image 1] and [image 2] when the expressions are simplified?

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a = [___], b = [___]

Answer:

2, 6

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Which is a like radical to after simplifying?

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Which expression equals ?

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Find the difference:

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Simplify the following expression completely, where x [image 1] 0. [image 2]

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Use the for d =

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Question text not available

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What is the student’s error?

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The student should not have multiplied each expression by two.
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The student simplified incorrectly.
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The student simplified incorrectly.
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The student incorrectly simplified .
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11

Three radical expressions have different radicands and, when simplified, are like radicals to .Describe key characteristics of these radical expressions.

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Answer:

Each expression is a square root. Its radicand has a numerical coefficient equal to 3 times a perfect square, and both x and y have odd exponents. After taking out perfect-square factors, the remaining radical is √(3xy).

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Find the sum .

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a = [___], b = [___]

Answer:

2, 6

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Which of the following did you include in your description?

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The index is 2.
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The numeric coefficient of the radicand is three times a perfect-square number.
C
The variable x in the radicand is raised to an odd power
D
The variable y in the radicand is raised to an odd power.

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