CHAPTER 16 / PRACTICE TEST I 583
2 2 222 2
- Which of the following points does NOT lie in
the shaded region above?
(A) (1, 1)
(B) (1, 4)
(C) (2, 3)
(D) (4, 1)
(E) (5, 5) - If of 2xis 5, what is of 4x?
(A) 5
(B) 10
(C) 15
(D) 20
(E) 25- If nis a positive integer that is divisible by 12
and 16, then nmust also be divisible by
(A) 28
(B) 32
(C) 48
(D) 96
(E) 192
2
3
1
3
O
xy6
6
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Note: Figure not drawn to scale.- In the figure above, if a−b=10, then a=
(A) 60
(B) 65
(C) 70
(D) 75
(E) 80 - If nis an integer, which of the following must
be an even integer?
(A)
(B) n+ 2
(C) 2n+ 1
(D) n^2
(E) n^2 +n- Mike sold a total of 48 sodas at a snack stand.
The stand sells only cola and root beer. If he
sold twice as many colas as root beers, how
many root beers did he sell?
(A) 32
(B) 24
(C) 18
(D) 16
(E) 8 - If mand nare both squares of integers, which of
the following is NOT necessarily the square of
an integer?
(A) 9m
(B) mn
(C) m^2
(D) 9mn
(E) 9m− 9 n
n
2a° b°