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

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356<br />

Section 7<br />

Practice Test Four<br />

8. If x2 + y2 = 153 and xy = 36, what is <strong>the</strong> value<br />

of (x-y)2?<br />

(A) 81<br />

(B) 117<br />

(C) 153<br />

(D) 189<br />

(E) 225<br />

A F B<br />

<br />

G<br />

E<br />

H<br />

A<br />

B<br />

c<br />

2 !2<br />

x<br />

D<br />

Note: Figure not drawn to scale.<br />

9. In <strong>the</strong> figure above, AB = 1 and BD = 2 \12. What<br />

is <strong>the</strong> value of z?<br />

(A) 40°<br />

(B) 45°<br />

(C) 50°<br />

(D) 55°<br />

(E) 60°<br />

10. If20 percent of30 percent of a positive number<br />

is equal to 15 percent of h percent of <strong>the</strong> same<br />

number, what is <strong>the</strong> value of h ?<br />

(A) 30<br />

(B) 35<br />

(C) 40<br />

(D) 45<br />

(E) 60<br />

c I D<br />

11. In <strong>the</strong> figure above, each square is split into 4<br />

squares of <strong>the</strong> same size, starting by splitting ABDC<br />

into AFEG, GEIC, EHDI, and FBHE, all of which<br />

have <strong>the</strong> same area. The total shaded area is what<br />

fraction of <strong>the</strong> area of square ABCD ?<br />

1<br />

(A) 256<br />

(B)<br />

(C)<br />

(D)<br />

(E)<br />

1<br />

128<br />

1<br />

64<br />

1<br />

32<br />

2<br />

13<br />

12. If 3x < 0 < y, which of <strong>the</strong> following is greatest?<br />

(A) 0<br />

(B) y<br />

(C) -3x<br />

(D) -(3x + y)<br />

(E) -(3x -y)<br />

I GO ON TO THE NEXT PAGE>

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