How to divide square roots

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PSAT Math › How to divide square roots

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1

Simplify:

CORRECT

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0

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Explanation

To simplfy, we must first distribute the square root.

Next, we can simplify each of the square roots.

2

Find the quotient:

CORRECT

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Explanation

Simplify each radical:

Rationalize the denominator:

3

(√27 + √12) / √3 is equal to

√3

0

(6√3)/√3

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18

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5

CORRECT

5/√3

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Explanation

√27 is the same as 3√3, while √12 is the same as 2√3.

3√3 + 2√3 = 5√3

(5√3)/(√3) = 5

4

Find the quotient:

CORRECT

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Explanation

Find the quotient:

There are two ways to approach this problem.

Option 1: Combine the radicals first, the reduce

Option 2: Simplify the radicals first, then reduce

5

Divide and simplify. Assume all integers are positive real numbers.

CORRECT

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Explanation

There are two ways to solve this problem. First you can divide the numbers under the radical. Then simplify.

Example 1

Example 2

Find the square root of both numerator and denominator, simplifying as much as possible then dividing out like terms.

Both methods will give you the correct answer of .