Question 45 Answer and Explanation _ACT January 2002 Form 55C Math Section

Question 45 Answer and Explanation _ACT January 2002 Form 55C Math Section

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45. What is the solution set of |2z - 1| ≥ 5 ？

A. {z: z ≥ 3}

B. {z: z ≤ -2 or z ≥ 3}

C. {z: z ≤ -3 or z ≥ 3}

D. {z: z ≤ -4 or z ≥ 6}

E. { } (the empty set)

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

2z-1≥5 or 2z-1≤-5