The volume of the right circular cylinder shown below is 64π cubic inches. If its height is 4 in., what is its radius in., what is its radius in inches?
(A) 2
(B) 4
(C) 8
(D) 10
(E) 16
Which of the following is a simplified version of 
whenever x ≠ 0?
（A）9x + 2
（B） 9x2 + 2x
（C） 
（D） 
（E） 
Correct Answer: D
Which of the following is the domain of the function 
?
(A) –3 > x> 3(B) –3 ≤x≤3(C) –3 ≤x< 3(D) x< –3 or x< 3(E) x≤–3 or x≥3
Correct Answer: D
The area of a trapezoid is found by multiplying the height by the average of the bases: A= 
h(b1+b2). Given the side measurements below, what is the area, in square inches, of the trapezoid?
(A) 15
(B) 22
(C) 24
(D) 24
(E) 30
Correct Answer: C
More ACT Math Exam Questions
- 1
If
, then a= - 2In the figure below,
is a line segment and all distances are given in inches. What is the ratio of the area of quadrilateral RBCS to the area of quadrilateral SCFT?
- 3
At Fatima's Fruits, a bag of eight grapefruits costs $4.40. At Ernie's Edibles, a bag of three grapefruits costs $1.86. How much cheaper, per grapefruit, is the cost at Fatima's Fruits than at Ernie's Edibles?
- 4
The expression x2 + 2x - 15 can be written as the product of 2 binomials with integer coefficients. One of the binomials is (x + 5). Which of the following is the other binomial?
- 5How must -
, - 
, - 
, and - 
be arranged so that they are listed in increasing order?