quant 3

1. If (-2,k) is a point on the graph of y = 2×2 - 3x +1, then k =
(A) -13
(B) -1
(C) 3
(D) 11
(E) 15 e

2. The product of two positive integers m and n is twice their sum. If n is 6, what is the
value of m ?
(A) 8
(B) 6
(C) 4
(D) 3
(E) 2 d

3. If x : y = 2 :3 , y : z = 3: 4 , and x = 8 , then z - y =
(A) 1
(B) 4
(C) 6
(D) 8
(E) 12 b

4. If S is the set of all numbers x such that 1 - 2x £ 3, which of the following is true about
S ?
(A) The least number in S is -1.
(B) The least number in S is 0.
(C) The least number in S is 3.
(D) The greatest number in S is - 2 .
(E) The greatest number in S is -1. a

5. An operation * defined on whole numbers gives results such as the following:
2 * 3 = 7
3 * 4 =13
1* 5 = 6
0 * 6 =1
According to the equations above, which of the following could define the operation * ?
(A) x * y = x + y
(B) x * y = 2x + y
(C) x * y = y2 - x
(D) x * y = x2 + y
(E) x * y = xy + 1 e

6) A loaf of bread and 2 one-pound containers of butter cost a total of $4.95. If a pound of butter costs $0.90 more than a loaf of bread, how much does a pound of butter cost?
(A) $1.05
(B) $1.58
(C) $1.95
(D) $2.03
(E) $2.93 c