In the rhombus below, diagonal AC = 6 and diagonal BD = 8. What is the length of each of the four sides?
(A) 
(B) 
(C) 5
(D) 7
(E) 10
Whenever a, b, and c are positive real numbers, which of the following expressions is equivalent to 
(A) 
(B) 
(C) 
(D) log4(a - c) - log8 2b
(E) log4(a - c) - log8b2
Correct Answer: A
The kinetic energy, KE, of an object travelling at v velocity can be modeled by the equation KE = 
mv2, where m
is the mass of the object. If an object is moving at a velocity of 9,
and it has a kinetic energy of 120, about how great is the object's
mass?
(A) Between 0 and 1(B) Between 1 and 2(C) Between 2 and 3(D) 6(E) 13
Correct Answer: C
In a certain town in New Hampshire, there are 7,695 registered voters, 60% of whom are Democrats. How many of the town's registered voters are Democrats?
（A）513 （B） 2,565 （C） 3,078 （D） 4,617 （E） 7,695
Correct Answer: D
More ACT Math Exam Questions
- 1
In the following figure, line aand line b are parallel and pass through the points shown. What is the equation for line b?
- 2What is the y-coordinate of the point of intersection of the lines y = 3x - 7 and y = 5x + 5 in the standard (x, y) coordinate plane?
- 3
In the figure shown below,
and 
are parallel and 
= 
. If 
ABC is 130° and BAF is 22°, what is the measure of AEF?
- 4
What is the result when you add the matrix
to the matrix 
and multiply the result by 2? - 5The ratio of adults to girls to boys on a class field trip was 1:4:5. If the trip included 6 more boys than girls, how many adults were with the group?