Pinexam——There is royal road to learning.

Home->ACT Math

The perimeter of a rectangle is 20 cm. If the width is 4 cm, find the length of the rectangle.

(A) 5 cm

(B) 6 cm

(C) 15 cm

(D) 25 cm

(E)32 cm

The Correct Answer
Explanation

Let S be the set of all integers that can be written as 2n2 - 6n, where n is a nonzero integer. Which of the following integers is in S?

(A)6 (B) 30 (C) 46 (D) 64 (E) 80

Correct Answer: E

What is the area, in square inches, of a square with a side length of 8 inches?

(A)8 (B) 16 (C) 24 (D) 32 (E) 64

Correct Answer: E

If x = - and x = are the roots of the quadratic equation ax2 + bx + c = 0, then which of the following could represent the two factors of ax2 + bx + c?

(F) (3x + 2) and (4x - 1) (G) (3x + 1) and (4x - 2) (H) (3x - 1) and (4x + 2) (J) (3x - 2) and (4x + 1) (K) (3x - 2) and (4x - 1)

Correct Answer: F

More ACT Math Exam Questions