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) 
A rectangle is 5 times as wide as it is long. The area of the rectangle is 320 square feet. What is the perimeter of the rectangle, in feet?
(A) 8 (B) 40 (C) 48 (D) 64 (E) 96
Correct Answer: E
In a Spanish class there are m students, of which n did NOT pass the last exam. Which of the following is a general expression for the fraction of the class that did receive a passing grade?
(F) 
(G) 
(H) 
(J) 
(K) 
Correct Answer: F
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)
Correct Answer: A
More ACT Math Exam Questions
- 1Steve is going to buy an ice-cream sundae. He first must choose 1 of 3 possible ice-cream flavors. Next, he must choose 1 of 2 types of syrup. Finally, he must choose 1 of 6 kinds of candy toppings. Given these conditions, how many different kinds of sundaes could Steve possibly order?
- 2A photocopy machine enlarges a small triangle to produce a larger,
similar triangle, as shown below. If the lengths of the sides, in
inches, are as marked on the figure, and the triangles are similarly
oriented, what is the value of x in inches?
- 33x3·2x2y·4x2y is equivalent to:
- 4For all
is equivalent to: - 5Which of the following is the equation for a circle with diameter
, given that a = (4, 2) and b = (8, -4)?