In a certain sequence of numbers, each term after the 1st term is the result of adding 2 to the previous term and multiplying that sum by 3. If the 4th term in the sequence is 186, what is the 2nd term?
(A) 2
(B) 4
(C) 18
(D) 60
(E) 174
The 8-sided figure below is divided into 12 congruent isosceles right triangles. The total area of the 12 triangles is 96 square centimeters. What is the perimeter, in centimeters, of the figure?
(F) 8(G) 20 + 4
(H) 48(J) 40 + 8(K) 56
Correct Answer: K
Which of the following is closest to the perimeter of quadrilateral FGHJ, in coordinate units?
（A）28 （B） 39.7 （C） 60 （D） 108 （E） 120
Quadrilateral FGHJ is shown below in the standard (x,y) coordinate plane. For this quadrilateral, 
= 10, 
= 6, 
= 
, and 
= 12.
Correct Answer: B
If function f is defined by f(x) = -2x3, then what is the value of f(f(1))?
（A）-16 （B） -8 （C） 4 （D） 8 （E） 16
Correct Answer: E
More ACT Math Exam Questions
- 1Sales for a business were 3 million dollars more the second year than the first, and sales for the third year were double the sales for the second year. If sales for the third year were 38 million dollars, what were sales, in millions of dollars, for the first year?
- 2Which of the following expressions is equivalent to 2a + 4b + 6c?
- 3
Jacob works as a lifeguard at a local pool. At the beginning of a 12-hour overnight shift, the pool was full, and Jacob began draining it. After 2 hours, the pool was completely empty. He spent 3 hours cleaning the pool and then began filling it up again. The pool finished filling just as his shift ended. Which of the following graphs accurately describes the amount of water in the pool throughout Jacob’s shift?
- 4
For all t > 0, f(t) =
. Which of the following is true about f(t) ? - 5
In the figure shown below,
and 
are parallel and 
= 
. If 
ABC is 130° and BAF is 22°, what is the measure of AEF?