Which of the following inequalities is equivalent to ?

(A)

(B)

(C)

(D)

(E)

The area of the trapezoid below is 24 square inches, the altitude is 3 inches, and the length of one base is 5 inches. What is the length, b, of the other base, in inches?

（A）3 （B） 8 （C） 11 （D） 13 （E） 16

**Correct Answer: C**

What is the ratio of a circle's radius to its circumference?

(F) 2π:1 (G) 2:01 (H) π:1 (J) 1:π (K) 1:2π

**Correct Answer: K**

The following figure shows the graph of . Which of the answer choices are the correct amplitude and period of this function?

(F) amplitude = 5, period = π(G) amplitude = 5, period = 2π(H) amplitude = 5, period = 4π(J) amplitude = 10, period = 2π(K) amplitude = 10, period = 4π

**Correct Answer: H**

### More ACT Math Exam Questions

- 1
A ferry boat travels from a dock on the mainland toward an island, stops to discharge and load passengers, then returns to the mainland dock. Among the following graphs, which one best represents the relationship between the distance, in kilometers, of the ferry from the island and the time, in minutes, from when the ferry leaves the mainland dock until it returns?

- 2
This semester, Gerry scored an average of 93 on his five history exams. He got the same score on his first two exams, and then he got a 94, an 85, and a 90 on the remaining exams. What score did he receive on his first two exams?

- 3
Line segments , , and are parallel and intersect line segments and as shown in the figure below. The ratio of the perimeter of ΔFJK to the perimeter of ΔFLM is 3:5, and the ratio of to is 1:5. What is the ratio of to ?

- 4
A painter needs to reach the top of a tall sign in the middle of a flat and level field. He uses a ladder of length x to reach a point on the sign 15 feet above the ground. The angle formed where the ladder meets the ground is noted in the figure below as θ. Which of the following relationships must be true?

- 5What is the next term after in the geometric sequence