A restaurant decides on the following production model, where N is the number of ounces of flour the restaurant purchases each month, based on the number of ounces, x, the restaurant uses during the preceding month. N = x2 - 600x - 160,000. According to this model, what is the greatest quantity of flour, in number of ounces, that the restaurant can use during a month, without having to purchase any new flour the next month?
(A) 800
(B) 550
(C) 400
(D) 350
(E) 200
If A, x, and y are all distinct numbers, and A = 
, which of the following represents x in terms of A and y?
(A) 
(B) 
(C) 
(D) 
(E) 
Correct Answer: A
The expression 9(y + 3) - 2(4y - 4) is equivalent to:
(A) y - 1(B) y + 15(C) y + 18(D) y + 23(E) y + 35
Correct Answer: E
If -9(y - 13) = 16, then y = ?
(A) -
(B) -
(C) -
(D) -
(E) 
Correct Answer: E
More ACT Math Exam Questions
- 1
In the following figure, line aand line b are parallel and pass through the points shown. What is the equation for line b?
- 2
Eldridge opened a savings account with an initial balance of $1,000. After that, every month for 8 months, she made one deposit to the account, always for the same amount. During that time, she made just one withdrawal.
Which of the following graphs accurately describes these transactions over an 8-month period?
- 3If m, located at (-1, 2), is the midpoint of
, and the coordinates of a are (2, 9), what are the coordinates of b? - 4
In the figure below, F, G, H, and J are collinear.
, 
, and 
are line segments of equivalent length, and the measure of 
JHK is 120°. What is the degree measure of GFK?
- 5
In the standard (x,y) coordinate plane below, 3 of the vertices of a rectangle are shown. Which of the following is the 4th vertex of the rectangle?
