In a data set of 5 points, the mean, median, and mode are each equal to 8. Which of the following could be the data set?
(F) {5, 7, 8, 8, 12}
(G) {7, 7, 8, 8, 12}
(H) {7, 8, 8, 8, 12}
(J) {7, 8, 8, 10, 12}
(K) {7, 8, 8, 12, 12}
For all real values of y, 3 - 2(4 - y) = ?
(A) -2y - 9 (B) -2y + 8 (C) -2y - 1 (D) 2y - 5 (E) 2y + 11
Correct Answer: D
Which of the following gives the equation for the circle in the standard (x,y) coordinate plane with a center at (4,-8) and a circumference of 10π square coordinate units?
(A) (x - 4)2 + (y + 8)2 = 25 (B) (x - 4)2 + (y + 8)2 = 100 (C) (x + 8)2 + (y - 4)2 = 25 (D) (x + 8)2 - (y - 4)2 = 100 (E) (x + 8)2 + (y - 4)2 = 100
Correct Answer: A
Given that 
, what is the value of x?
（A）6
（B） 11
（C） 121
（D） 
（E） 2
Correct Answer: E
More ACT Math Exam Questions
- 1
At 10:00, Angela starts from her home and runs at a constant pace to Kathleen’s house, which is exactly 2 miles away. Immediately, she and Kathleen turn around and walk back to Angela’s house exactly 4 miles an hour slower than Angela ran. When they arrive at Angela’s house, the time is 10:45. At what speed did Angela run?
- 2If x2 - 36a2 = 5ax, what are the two solutions for x in terms of a?
- 3
In the following figure, if the dimensions of the trapezoid are as shown and the area of the trapezoid is 144, what is the value of x?
- 4Which of the following expressions is equivalent to 2a + 4b + 6c?
- 5
An artist wants to cover the entire outside of a rectangular box with mosaic tiles. The dimensions of the box shown below are given in centimeters. If each tile is exactly one square centimeter, and the artist lays the tiles with no space between them, how many tiles will he need?
