CHAPTER 16 / PRACTICE TEST 2 651
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- Any positive integer that is divisible by 6 and
15 must also be divisible by
(A) 12
(B) 21
(C) 30
(D) 72
(E) 90 - If npercent of 20 is 4, what is n?
(A)^1 ⁄ 5
(B) 2
(C) 5
(D) 20
(E) 500 - If f(x) = 3 x+n,where nis a constant, and
f(2) =0, then f(0) =
(A) − 6
(B) − 2
(C) 0
(D) 2
(E) 6 - A square has the same area as a right triangle
with sides of lengths 6, 8, and 10. What is the
length of one side of the square?
(A) 4
(B)
(C)
(D)
(E) 12 - If 12v= 3 wand v≠0, then which of the fol-
lowing is equivalent to 2w− 8 v?
(A) 0
(B) 4 w
(C) − 6 w
(D) 2 v
(E) − 2 v
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15
23
- If xis a negative number and 2x+1 > 5, then
which of the following must be true?
(A) x< − 3
(B) x< −2.5
(C) x< − 2
(D) x> − 2
(E) x> − 5 - If x=−2, then −x^2 − 8 x− 5 =
(A) 3
(B) 7
(C) 15
(D) 23
(E) 25 - If , then what is the smallest possible
positive value of m?
(A) 6
(B) 6.5
(C) 7
(D) 7.5
(E) 8 - Theo wants to buy a sweater that is priced at
$60.00 before tax. The store charges a 6% sales
tax on all purchases. If he gives the cashier
$70.00 for the sweater, how much should he
receive in change?
(A) $3.60
(B) $6.40
(C) $7.40
(D) $9.40
(E) $66.40
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