Sample Questions for College-Level Mathematics

Solve the problem(s).

The graph of which of the following equations is a straight line parallel to the graph of y = 2x?
(A) 4x - y = 4
(B) 2x - 2y = 2
(C) 2x - y = 4
(D) 2x + y = 2
(E) x - 2y = 4

An apartment building contains 12 units consisting of one- and two-bedroom apartments that rent for $360 and $450 per month, respectively. When all units are rented, the total monthly rental is $4,950. What is the number of two-bedroom apartments?
(A) 3
(B) 4
(C) 5
(D) 6
(E) 7