Andrea wants to fill in two sections of her backyard with sod that must be purchased in 2-x-2-foot squares. If the two sections measure 30 x 40 feet and 60 x 80 feet, how many squares of sod does she need to buy?
(F) 1,000
(G) 1,250
(H) 1,500
(J) 1,600
(K) 2,000
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
Correct Answer: H
What 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?
（A）-25 （B） -11 （C） -6 （D） 6 （E） 11
Correct Answer: A
A graduation cap is tossed upward. It is f feet above the ground s seconds after it has been thrown. The relationship between f and s is given by the equation f = 60s - 17s2 where 0 ≤ s ≤ 3.5. How many feet above the ground is the cap 3 seconds after it is thrown?
(A) 27 (B) 41 (C) 60 (D) 80 (E) 163
Correct Answer: A
More ACT Math Exam Questions
- 1A certain watch costs $100, and a certain pearl necklace costs $300. If the cost of the watch increases by 5% and the cost of the pearl necklace decreases by 10%, what will be the sum of their new costs?
- 2
If
, then y= - 3
Dave is in Pikeston and needs to go to Danville, which is about 110 miles due south of Pikeston. From Danville, he'll head east to Rocketville, about 200 miles from Danville. As he sets out on his trip, a plane takes off from the Pikeston airport and flies directly to Rocketville. Approximately how far, in miles, does the plane fly?
- 4
If x is a real number and 3x = 81, then 3 × 2x =?
- 5In the figure below, square ABCD has a side length of 6 inches, and squares AEFG and CHIJ each have a side length of 1 inch. What is the area, in square inches, of the shaded pentagon DGFIJ?
