What is the value of a if log4a = 3?
(A) 120
(B) 64
(C) 12
(D) 
(E) 4
The Correct Answer
Explanation
The figure below shows representations of the first 4 triangular numbers, 
through 
. What is the value of 
?
(F) 144 (G) 168 (H) 288 (J) 300 (K) 600
Correct Answer: J
In the following figure, line aand line b are parallel and pass through the points shown. What is the equation for line b?
(F) 
(G) 
(H) 
(J) 
(K) 
Correct Answer: H
What is the value of kif ?
(A) 0.2(B) 2(C) 2.2(D) 2.8(E) 4.7
Correct Answer: C
More ACT Math Exam Questions
- 1The expression (5x + 2)(x-- 3) is equivalent to:
- 2What is the maximum number of distinct diagonals that can be drawn in the hexagon shown below?
- 3
What is the value of yx + (2x - 2y) when x = 2 and y = -3?
- 4In the figure shown below, points A, B, C, and D are collinear, and distances marked are in feet. Rectangle ADEG has an area of 48 square feet. What is the area, in square feet, of the trapezoid BCEF?
- 5For which of the following values of a will there be exactly one real solution to the equation 2x2 - ax + 8 = 0?