Chapter 14 Practice Test 4 With Answers - Mcgraw-Hill'S Psat/nmsqt Page 13
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45CHAPTER 14 / PRACTICE PSAT 4
485
3
3
3
3
B
If a . 0, a
þ b
¼ 26, and a
2 b
¼ 28, what
B
11
If y ¼ 4 and y ¼ 23 are both solutions of the
15
2
is the value of a?
equation y
þ by þ c ¼ 0 where b and c are
constants, what is the value of b?
(A) 2
(B) 3
(A) 22
(C) 5
(B) 21
2
(D) 7
(C) 0
(E) 9
(D) 1
(E) 2
B
The three sides of a triangle have lengths of 6,
12
B
10, and w. Which of the following could be
A bag contains jellybeans of four colors: red,
16
the area of the triangle?
orange, yellow, and green. It contains twice
I. 12
as many red as orange jellybeans, three
II. 30
times as many orange as yellow jellybeans,
III. 45
and four times as many yellow as green jelly-
beans. If a jellybean is drawn at random,
(A) I only
what is the probability that it is yellow?
(B) II only
4
(C) I and II only
(A)
41
(D) II and III only
1
(E) I, II, and III
(B)
10
5
(C)
B
The symbols ¤ and A each represent one of
13
41
the fundamental arithmetic operators: þ, 2,
7
Â, or 4 . If (6 ¤ 3) A (4 A 2) ¼ 12 ¤ 2, what
(D)
32
is the value of (4 ¤ 3) A 6?
12
(E)
(A) 6
41
(B) 12
(C) 18
B
A store ordinarily sells a pair of sneakers for s
17
(D) 24
dollars. During a sale, the price of the sneak-
(E) 30
ers is discounted 20%. If a customer pur-
chases the sneakers on sale and also receives
an additional 15% frequent-buyer discount,
B
A
14
which of the following represents the
amount the customer pays for the sneakers,
B
in dollars?
26
15
10
(A) 0.65s
(B) 0.68s
E
D
C
(C) 0.75s
(D) 0.80s
Note: Figure not drawn to scale.
(E) 0.94s
In the figure above, what is the perimeter of
the shaded region?
(A) 48
(B) 49
(C) 50
(D) 51
(E) 52
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