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

1056
I Section 8
Practice Test Twelve
3.
All of the following are equal to 9.x2 EXCEPT
(A) x2 + 8.x2
(B) 4x + 5x
(C) (9x)(x)
(D) (3x)(3x)
(E) (-3x)(-3x)
(b2 - 7)
4. Ifr(b) = , what is the value ofr(7)?
(b + 7)
(A) 0
(B) 3
(C) 4
(D) 7
(E) 12
5. For which of the following sets of numbers is the
average (arithmetic mean) greater than the median?
(A) {-2, -1, 0, l, 2}
(B) {-2, -1, 0, l, 3}
(C) {-2, 0, 0, 0, 2}
(D) {-3, -1, 0, l, 2}
(E) {-3, -1, 0, 1, 3}
6. 40 percent of210 is the same as 33 _!_ percent of
3
what number?
(A) 840
(B) 280
(C) 252
(D) 175
(E) 84
b o
a o
7. In the figure above, if l II m and c = 50, what must
a be in terms of b ?
(A) b
(B) -b
(C) 130 + b
(D) 130-b
(E) 180-b
8. If x and y are different positive integers and
3x + y = 17, the difference between the largest
possible value of y and the smallest possible value
ofy is
(A) 16
(B) 14
(C) 12
(D) 4
(E) 2
9. If70 percent ofxis 2,100, then what is 40 percent of x?
(A) 3,000
(B) 2,020
(C) 1,800
(D) 1,470
(E) 1,200
c o
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