1. If A represents the number of apples purchased at 15 cents each and B represents the number of bananas purchased at 10 cents each, which of the following represents the total value of the purchases?
A. A + B
B. 25(A + B)
C. 10A + 15B
D. 15A + 10B
2.
A.
B.
C.
D.
3. What is the value of the expression 2×2 + 3xy – 4y2 when x = 2 and y = -4?
A. -80
B. 80
C. -32
D. 32
4. In the figure below, both circles have the same center, and the radius of the larger circle is R. If the radius of the smaller circle is 3 units less than R, which of the following represents the area of the shaded region?
A. ?R2
B. ?(R – 3)2
C. ?R2 – ?×32
D. ?R2 – ?(R – 3)2
5. (3x – 2y)2 =
A. 9×2 – 4y2
B. 9×2 + 4y2
C. 9×2 + 4y2 – 6xy
D. 9×2 + 4y2 – 12xy
6. If x > 2, then
A.
B.
C.
D.
7.
A.
B.
C.
D.
8. If 2x – 3(x + 4) = -5, then x =
A. 7
B. -7
C. 17
D. -17
9. -3(5 – 6) – 4(2 – 3) =
A. -7
B. 7
C. -1
D. 1
10. If , then
A. x ? 5
B. x ? 5
C. x ? 32½
D. x ? 32½