When 
, 16r4 - s4 =?
(A)0
(B) 16
(C) 32
(D) -16
(E) -32
If m, located at (-1, 2), is the midpoint of 
, and the coordinates of a are (2, 9), what are the coordinates of b?
（A）(-5, 16) （B） (-4, -5) （C） (0.5, 5.5) （D） (4, -5) （E） (5, 16)
Correct Answer: B
A student reads a pages per day for d days and then reads b pages per day for 2d days. In terms of a, b, and d, how many pages did the student read?
(F) ad + 2b (G) ad + 2bd (H) 2ad + 2bd (J) 2abd (K) 2abd2
Correct Answer: G
Ansgar is writing a novel. He writes seven days a week. On each of those days he writes for at least 4 hours but never more than 8 hours. Last week, he wrote for exactly 46 hours. What is the maximum number of days on which he could have written for 8 hours?
(A) 2 days(B) 3 days(C) 4 days(D) 5 days(E) 6 days
Correct Answer: C
More ACT Math Exam Questions
- 1If pq3T4 > 0, which of the following products must be positive?
- 2Violet is baking a mixed berry pie that contains blueberries, cherries, blackberries, and raspberries. She uses three times as many blackberries as cherries, twice as many blueberries as raspberries, and the same number of blackberries and raspberries. If Violet has 10 cherries, how many of each of the other berries must she use? Raspberries Blueberries Blackberries
- 3
- 4What is the x–intercept of the line that passes through points (-3,7) and (6,4) in the standard (x,y) coordinate plane?
- 5
The expression 23fg - 6f(5f +3g) is equivalent to: