Question 23 Answer and Explanation _ACT June 2012 Form 70C Math Section

Question 23 Answer and Explanation _ACT June 2012 Form 70C Math Section

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23. Which of the following is a simplified form of $\sqrt{20}-\sqrt{45}$ ?

A. $-\sqrt{5}$

B. -5

C. 5

D. $5\sqrt{5}$

E. $\sqrt{65}$

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation