What is the x–intercept of the line that passes through points (-3,7) and (6,4) in the standard (x,y) coordinate plane?
(A)(18,0)
(B) (0,
)
(C) (0,6)
(D) (0,18)
(E) (,0)
In the standard (x,y) coordinate plane, point B with coordinates of (5,6) is the midpoint of line 
and point A has coordinates at (9,4). What are the coordinates of C?
（A）(13, 2) （B） (7, 5) （C） (1, 8) （D） (14,10) （E） (-1,-8)
Correct Answer: C
RST is a right triangle with side lengths of r, s, and t, as shown below. What is the value of cos2 S + cos2 R?
(F) 1
(G) 
(H) 
(J) 
(K) 
Correct Answer: F
The points P, Q, R, and S lie in that order on a straight line. The midpoint of 
is R and the midpoint of 
is Q. The length of 
is x feet and the length of 
is 4x - 16 feet. What is the length, in feet, of ?
(A) 32 (B) 20 (C) 16 (D) 8 (E) 4
Correct Answer: A
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
The Crestview High School student body is made up only of freshmen, sophomores, juniors, and seniors. 25% of the students are freshmen, 35% are sophomores, and 20% are juniors. If no student can be considered to be in two classes, and there are 150 seniors, how many students make up the Crestview High School student body?
- 3
Which of the following is a complete factorization of the expression 12b2c + 6bc + 3b?
- 4
The area of the square in the figure below is 324 square centimeters, and the two small isosceles right triangles are congruent. What is the combined area, in square centimeters, of the 2 small triangles?
- 5
In the following graph, nis the midpoint of
. Which of the following answer choices are the coordinates of n?