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
In the standard (x, y) coordinate plane, what is the slope of the line with equation 7y - 3x = 21?
（A）-
（B）
（C） 
（D） 3
（E） 7
Correct Answer: B
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?
(A) 
(B) 
(C) 
(D) 
(E) 
Correct Answer: C
The function y varies directly as x for all real numbers in the (x, y) coordinate plane. Which of the following could be the graph of y?
（A）
（B） 
（C） 
（D） 
（E） 
Correct Answer: A
More ACT Math Exam Questions
- 1
In the figure below, ray
was constructed starting from rays 
and 
. By using a compass D and G were marked equidistant from E on rays and . The compass was then used to locate a point F, distinct from E, so that F is equidistant from D and G. For all constructions defined by the above steps, the measures of ∠DEF and ∠GEF:
- 2If the equation x2+ mx+ n= 0 has two solutions, x = kand x = 2k,what is the value of mnin terms of k?
- 3
If the height of an equilateral triangle is 9, what is its area?
- 4
What is a possible value of xif
? - 5
The table below shows the percents of U.S. citizens who had ever consumed a certain brand-name soda, out of all soda consumers, for each year from 1986 through 2006.
Which of the following years had the LEAST increase in the percent of U.S. citizens who had consumed the brand-name soda from the previous year?