12.Practice.Tests.for.the.SAT_2015-2016_1128p

Section 31
Practice Test One
65
14. If I 2r - 2 I = 8 and I 3r + 2 I =
value of r?
(A) -5
(B)
-19
6
(C) -3
(D) 5
(E) 15
17, then what is the
Questions 15-17 refer to the following sequence of
steps.
1. Choose a number between 0 and 9.9.
2. Multiply the number from the previous step
by 100.
3. Determine the smallest integer greater than or
equal to the number obtained from the previous
step.
4. Add 12 to the number found in the previous
step.
5. Print the resulting number.
15. If 6.127 is the number chosen in step 1, what is the
number printed in step 5?
(A) 12
(B) 74
(C) 624
(D) 624.7
(E) 625
16. Which of the following could be a number printed
in step 5 after steps 1 through 4 are performed?
(A) -1
(B) 10
(C) 27.3
(D) 674
(E) 1,050
17. Which change, if any, could be made in the order
of the steps without changing the number printed
in step 5?
(A) Only steps 2 and 3 could be switched.
(B) Only steps 2 and 4 could be switched.
( C) Only steps 3 and 4 could be switched.
(D) Steps 2, 3, and 4 can be done in any order.
(E) None of the above changes can be made.
18. If a= 3(2c 2 + 3c + 4) and b = -c+ 4, what is a in
terms ofb?
(A) 6b2 - 48b + 96
(B) 6b2 - 57b + 132
(C) 6b2 - 57b + 144
(D) 6b2 - 9b - 132
(E) 6b2 - 9b + 144
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