How to subtract square roots

Practice Questions

GRE Quantitative Reasoning › How to subtract square roots

Questions

3

1

Quantity A: $\sqrt{140}-\sqrt{315}$

Quantity B: $\sqrt{132}-\sqrt{297}$

Which of the following is true?

2

Solve for .

Note, $x\ge0$ :

$5\sqrt{x}=\sqrt{30}+4\sqrt{x}$

3

Quantity A: $\sqrt{320}-\sqrt{45}$

Quantity B: $\sqrt{243}-\sqrt{48}$

Which of the following is true?

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