E - CORRECT ANSWER-If a ≠ b and 1/x + 1/a = 1/b, then x =
A. 1/b - 1/a
B. b - a
C. 1/ab
D. a - b/ab
E. ab/a - b
C - CORRECT ANSWER-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 = ...
E - CORRECT ANSWER-If a ≠ b and 1/x + 1/a = 1/b, then x =
A. 1/b - 1/a
B. b - a
C. 1/ab
D. a - b/ab
E. ab/a - b
C - CORRECT ANSWER-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
A - CORRECT ANSWER-An equation of the line that contains the origin and the point
(1, 2) is
A. y = 2x
B. 2y = x
C. y = x -1
D. y = 2x +1
E. y/2 = x - 1
E - CORRECT ANSWER-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
D - CORRECT ANSWER-If θ is an acute angle and sin θ = 1/2, then cos θ =
A. -1
B. 0
C. 1/2
D. √3/2
E. 2
B - CORRECT ANSWER-5y(2y - 3) + (2y - 3) =
, A. (5y + 1) (2y + 3)
B. (5y + 1) (2y - 3)
C. (5y - 1) (2y + 3)
D. (5y -1) (2y - 3)
E. 10y (2y - 3)
25/6 - CORRECT ANSWER-
2 5/8 - CORRECT ANSWER-Change 42/16 to a mixed number
8 4/15 - CORRECT ANSWER-
9 1/6 - CORRECT ANSWER-
7 9/26 - CORRECT ANSWER-
8 25/56 - CORRECT ANSWER-
1 47/63 - CORRECT ANSWER-
9 11/21 - CORRECT ANSWER-
3/77 - CORRECT ANSWER-
114/175 - CORRECT ANSWER-
0.724 - CORRECT ANSWER-
5.432 - CORRECT ANSWER-
134.64 - CORRECT ANSWER-
216.9527 - CORRECT ANSWER-
0.068 - CORRECT ANSWER-
95.6008 - CORRECT ANSWER-
6.84 - CORRECT ANSWER-
0.0289 - CORRECT ANSWER-
8.5 - CORRECT ANSWER-
2.2 - CORRECT ANSWER-20)
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