The equation y= axb+ cproduces the following (x, y) coordinate pairs: (0, 2), (1, 7), and (2, 42).What is the value of abc?
(F) 10
(G) 20
(H) 30
(J) 40
(K) 60
If 
, then x = ?
（A）6
（B） 
（C） 0
（D） 
（E） -4
Correct Answer: D
In the figure below, 
= 
, and 
is a radius of the circle, having a length of 8 inches. What is the area of 
OAB, in square inches?
（A）8
（B） 16
（C） 32
（D） 32
（E） 64
Correct Answer: B
If 2x– y= 32 and 5x+ 3y= 14, then xy=
(A) 35(B) –40(C) 75(D) 100(E) –120
Correct Answer: E
More ACT Math Exam Questions
- 1In a certain school district, exactly 30% of the students come from families that have only one child. If there are 7,340 students in the district, how many do NOT come from families with only one child?
- 2In the figure below, l1 is parallel to l2, and l3 is parallel to l4. Which of the following angles is NOT equal to angle x?
- 3Points E, F, and G are collinear. Point H is a point not on EG. If the measure of ∠GFH is 64°, then what is the measure of ∠EFH ?
- 4
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?
- 5
In cubic meters, what is the volume of a large cube whose edges each measure 6 meters in length?