What is the solution set of 
(A) {4}
(B) {8}
(C) {-4, 8}
(D) {-8, 4}
(E) {-2, ±2
}
Which of the following is the amplitude of the function shown in the following graph?
(A) 0.5(B) 1(C) π(D) 2π(E) 4π
Correct Answer: A
The length, in inches, of a box is 3 inches less than twice its width, in inches. Which of the following gives the length, l inches, in terms of the width, w inches, of the box?
(A)l = 
w + 3
(B)w + 3
(C)w – 3
(D)2w + 3
(E)2w – 3
Correct Answer: E
A recent survey of book critics asked 30 critics how many stars out of a possible 5 they gave to a recent novel from a popular author. The 30 critics' responses are summarized by the histogram below.
What fraction of the critics gave the book a one-star review?
(A) 
(B) 
(C) 
(D) 
(E) 
Correct Answer: E
More ACT Math Exam Questions
- 1
For a chemistry class, Sanjay is doing an experiment that involves periodically heating a container of liquid. The graph below shows the temperature of the liquid at different times during the experiment. What is the average rate of change of temperature (in degrees Celsius per minute) during the times in which Sanjay is applying heat to this container?
- 2
The graph of y = f(x) is shown in the standard (x,y) coordinate plane below with points V, W, X, Y, and Z labeled.
The function y = f(x) can be classified as one of which of the following types of functions?
- 3
For the songs on Charlie's mp3 player, the ratio of folk songs to rock songs is 3:11. Which of the following statements about the songs on his mp3 player is(are) true?
I. There are fewer folk songs than rock songs.
II. For every 11 rock songs, there are 3 folk songs.
III. Folk songs comprise
of the songs on Charlie's mp3 player. - 4What is the sum of the prime factors of the number 330?
- 5In the standard (x, y) coordinate plane, the center of a circle lies in quadrant III. If the circle is tangent to the x-axis and the y-axis, which of the following is an equation for the circle?