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
A rectangular solid consisting of 18 smaller cubes that are identical is positioned in the standard (x,y,z) coordinate system, as shown below. Vertex M has coordinates of (-1,3,0) and point O on the y-axis has coordinates of (0,3,0). What are the coordinates of vertex N?
(F) (3,0, 2) (G) (2,2, 0) (H) (3,0,-1) (J) (0,2, 2) (K) (2,0, 2)
Correct Answer: K
Which of the following represents the product of the matrices below?
(F) 
(G) 
(H) [-6]
(J) [6 -12]
(K) [-4 -12]
Correct Answer: F
When 
w + 
w = 1, what is the value of w?
（A）
（B） 
（C） 
（D） 
（E） 
Correct Answer: D
More ACT Math Exam Questions
- 1
If x = -
and x = 
are the roots of the quadratic equation ax2 + bx + c = 0, then which of the following could represent the two factors of ax2 + bx + c? - 2In the following figure, the area of the shaded region is 10% of the area of the circle. If the radius of the circle is 10, what is the arc length from Pto Q?
- 3
Which of the following values of x does NOT satisfy the inequality |x-3|≥12?
- 4
The 4 integers j, j, k, and n have an average of 0. Which of the following equations must be true?
- 5
What is the product of the solutions of the expression x2 - 5x - 14 = 0?