In the figure below, 
is tangent to circle O at point T. If 
= 6 units, 
= 8 units, and 
= 10 units, how many units long is the radius of the circle?
(A)2
(B) 5
(C) 6
(D) 8
(E) 10
Eldridge opened a savings account with an initial balance of $1,000. After that, every month for 8 months, she made one deposit to the account, always for the same amount. During that time, she made just one withdrawal.
Which of the following graphs accurately describes these transactions over an 8-month period?
(F) 
(G) 
(H) 
(J) 
(K) 
Correct Answer: J
What is the slope of the line in the following graph?
(F) 2(G) –2(H) 
(J) 
(K) 
Correct Answer: G
A pipe of radius 4 feet sends water to two smaller pipes of equal size. If each of the smaller pipes allows exactly half as much water to flow as the larger pipe, what is the radius of one of the smaller pipes?
(A) 2
(B) 2π
(C) 2
(D) 4
(E) 2π
Correct Answer: C
More ACT Math Exam Questions
- 1Line T intersects parallel lines m and n. Angle measures are as shown in the figure below. What is the degree measure of
a?
- 2
If f(x) = 4x2– 5x– 5 and g(x) = 2x– 4, what is the value of
? - 3
Two values of v satisfy the equation |2v– 13| + 6 = 9. What is the sum of these values?
- 4If the least common multiple of 9, 10, 12, and vis 540, which of the following could be v?
- 5A sample of 300 jellybeans was removed from a barrel of jellybeans. All
of the jellybeans in the barrel are one of four colors: red, orange,
green, and purple. For the sample, the number of jellybeans of each
color is shown in the table below.
Color Number of jellybeans red 75