Squaring / Square Roots / Radicals

Practice Questions

ACT Math › Squaring / Square Roots / Radicals

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1

Which of the following is the square of $5 \sqrt{x} +3 \sqrt{y}$ ?

You may assume both and are positive.

2

Which of the following is the square of $5 \sqrt{x} +3 \sqrt{y}$ ?

You may assume both and are positive.

3

Which of the following is the square of $5 \sqrt{x} +3 \sqrt{y}$ ?

You may assume both and are positive.

4

Complex numbers take the form , where is the real term in the complex number and is the nonreal (imaginary) term in the complex number.

Which of the following is incorrect?

5

Which of the following expression is equal to

$\sqrt{(45)(9)+(27)(36)}$

6

Complex numbers take the form , where is the real term in the complex number and is the nonreal (imaginary) term in the complex number.

Which of the following is incorrect?

7

Which of the following expression is equal to

$\sqrt{(45)(9)+(27)(36)}$

8

Complex numbers take the form , where is the real term in the complex number and is the nonreal (imaginary) term in the complex number.

Which of the following is incorrect?

9

Which of the following expression is equal to

$\sqrt{(45)(9)+(27)(36)}$

10

Which of the following expressions is equal to the following expression?

$\sqrt{(27)(45)(125)}$

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