Let a
b = (-2a - b)2 for all integers a and b. Which of the following is the value of ?
(F) -15
(G) -2
(H) 49
(J) 91
(K) 109
If log3 81 = x + 1, then x = ?
（A）3 （B） 4 （C） 5 （D） 6 （E） 243
Correct Answer: A
What is 
of 28% of 8,000?
（A）32 （B） 320 （C） 1,568 （D） 3,200 （E） 15,680
Correct Answer: D
In isosceles triangle 
ACE, shown below, B and D are the midpoints of congruent sides 
and 
respectively. 
ABE measures 95°, and DAE measures 35°. What is the measure of DEB?
（A）50° （B） 30° （C） 25° （D） 15° （E） 10°
Correct Answer: D
More ACT Math Exam Questions
- 1
In the standard (x,y) coordinate plane, what is the area of the circle (x - 3)2 + (y + 2)2 = 25?
- 2
As shown in the figure below, a skateboard ramp leading from the top of a boulder is 10 feet long and forms a 32° angle with the level ground. Which of the following expressions represents the height, in feet, of the boulder?
- 3In the real numbers, what is the solution of the equation 9x-4 = 273x + 2?
- 4
If -6≤a≤-4 and 3≤b≤7, what is the maximum value of |a - 2b|?
- 5
Given the figure below, what is the area of the trapezoid, in square inches?
