Pinexam——There is royal road to learning.
Home ACT Math ACT English PE Exam CPA IELTS Contact Us

Home->ACT Math

Which choice below is the complete solution set of |2z - 3| ≥ 7?

(A) z ≥ 5

(B) z ≤ -2 or z ≥ 5

(C) -5 ≤ -6 or z ≥ 2

(D) z ≤ -6 or z ≥ 2

(E) z ≤ -5 or z ≥ 2

The Correct Answer
Explanation

Points (2, - 2) and (3,10) lie on the same line in the standard (x,y) coordinate plane. What is the slope of this line?

(A) 12 (B) 8 (C) (D) -8 (E) -12

Correct Answer: A

If a and b can be any two real numbers such that b < -6 and 3a - b = 21, which of the following is a solution set for a?

(A)a ≤ 9 (B) a ≤ 5 (C) a < 5 (D) a ≥ 9 (E) a ≥ -5

Correct Answer: C

When graphed in the standard (x, y) coordinate plane, the graphs of y = x2 - 5 and y = x + 1 intersect at which of the following points?

(A)(-3, 2) and (2, 3) (B) (-3, 4) and (2, -1) (C) (3, -4) and (-2, 1) (D) (3, 4) and (-2, -1) (E) The graphs do not intersect.

Correct Answer: D

More ACT Math Exam Questions