Exam (elaborations)
SAT MATHEMATICS LEVEL 2 PRACTICE TEST 9 WITH ANSWER KEYS AT THE END
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실전 103
1. If 𝑓(𝑥) = 𝑥 −2 , what is the value of 𝑓(9)?
(A) 0.0007
(B) 0.0370
(C) 0.2311
(D) 4.3267
(E) 6.8587
2. If 0 < x < 1, which of the following has the
greatest value?
(A) 𝑥
(B) 𝑥 2
(C) 𝑥 3
1
(D)𝑥
1
(E)𝑥 2
3. The midpoint of the segment in space with
endpoints (1,2,3) and (9, –2,9) is
(A) (5,0,6)
(B) (5,2,6)
(C) (5,–2,6)
(D) (10,0,12)
(E) (4,–2,3)
4. If 𝑗 = 𝑥 2 , then 𝑥 4 + 4𝑥 2 − 5 = 0 is
equivalent to which of the following?
(A) 𝑗 2 + 4𝑗 − 5 = 0
(B) 𝑗 2 + 𝑗 − 5 = 0
(C) 𝑗 4 + 4𝑗 2 − 5 = 0
(D) 𝑗 8 + 4𝑗 4 − 5 = 0
(E) 𝑗 8 + 4𝑗 − 5 = 0
1
,실전 10
5. A quiz game contains two types of questions,
some worth 3 points and others worth 8
points. Which of the following must be true
about the score for a player in this game?
I. The total score must be a multiple of 3
or a multiple of 8.
II. A score of 13 can be achieved.
III. Both even scores and odd scores can
be achieved.
(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III
6. Which of the following is an equation of the
line that contains the origin and is parallel to
the line 2𝑥 − 𝑦 = 1?
(A) 2𝑥 − 𝑦 = 0
(B) 2𝑥 + 𝑦 = 0
(C) 2𝑥 + 𝑦 = 1
(D) 𝑥 + 2𝑦 = 0
(E) 𝑥 − 2𝑦 = 0
7. Which of the following numbers belongs to
the arithmetic sequence 1, 8, 15, 22…?
(A) 77
(B) 80
(C) 92
(D) 105
(E) 150
𝜋
8. If 0 ≤ 𝑥 ≤ and sin 𝑥 = 0.56, then sin 4𝑥 =
2
(A) 0.531
(B) 0.692
(C) 0.784
(D) 2.125
(E) 2.240
2
, 실전 10
9. A right rectangular prism has length m, width
w, and height h. If h = 3m and w=4h, what is
the volume of the prism in terms of m?
(A) 9𝑚3
(B) 12𝑚3
(C) 16𝑚3
(D) 36𝑚3
(E) 48𝑚3
10. For positive integers n, the nth term of a
1
given sequence is 𝑛2 +2. For what value of n is
the value of the nth term closest to 0.01?
(A) 8
(B) 9
(C) 10
(D) 11
(E) 12
11. What is the range of the function f defined
by 𝑓(𝑥) = 3𝑥 2 − 2?
(A) 𝑓(𝑥) ≥ −2
(B) 𝑓(𝑥) ≥ 0
(C) 𝑓(𝑥) ≥ 2
(D) 𝑓(𝑥) ≥ 3
(E) All real numbers
12. What negative integer is 42 less than its
square?
(A) –8
(B) –7
(C) –6
(D) –5
(E) –3
3
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