If -6≤a≤-4 and 3≤b≤7, what is the maximum value of |a - 2b|?
(F) 10
(G) 11
(H) 18
(J) 20
(K) 42
If you drive 60 miles at 90 miles an hour, how many minutes will the trip take you?
(F) 15 (G) 30 (H) 40 (J) 60 (K) 90
Correct Answer: H
Which of the following is the sine of angle A in the right triangle below?
(A)
(B)
(C)
(D)
(E)
Correct Answer: C
Which of the following is NOT an irrational number?
（A）
（B） 
（C） 
（D） 
（E） 
Correct Answer: E
More ACT Math Exam Questions
- 1In the standard (x, y) coordinate plane, what is the slope of the line with equation 7y - 3x = 21?
- 2The graph of the trigonometric function f(x) = 2 sin
x is represented below. Which of the following is true of this function?
- 3
In ΔXYZ,
Y is a right angle and Z measures less than 52°. Which of the following phrases best describes the measure of X? - 4
The figure below shows a ramp for skateboarders. The base of the ramp is 25 feet long, and it rises at a 10° angle.
Given the trigonometric calculations in the table below, how high off the ground will a skateboarder be at the top of the ramp, rounded to the nearest 0.1 foot?
- 5
A restaurant decides on the following production model, where N is the number of ounces of flour the restaurant purchases each month, based on the number of ounces, x, the restaurant uses during the preceding month. N = x2 - 600x - 160,000. According to this model, what is the greatest quantity of flour, in number of ounces, that the restaurant can use during a month, without having to purchase any new flour the next month?