Question 49 Answer and Explanation _ACT OG2 Form 2MC Math Section

Question 49 Answer and Explanation _ACT OG2 Form 2MC Math Section

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49. Which of the following expressions, if any, are equal for all real numbers x ?

I. $\sqrt{{(-x)}^{2}}$

II. $\left|{-x}\right|$

III. $-\left|{x}\right|$

A. I and II only

B. I and III only

C. II and III only

D. I, II, and III

E. None of the expressions are equivalent.

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation