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

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678<br />

Section 2<br />

Practice Test Eight<br />

B<br />

y<br />

3x + 1<br />

I<br />

I<br />

I<br />

I<br />

I<br />

,.J_<br />

A x+7 c<br />

16. In <strong>the</strong> figure above, what is <strong>the</strong> perimeter of<br />

equilateral triangle ABO.<br />

(A) 3<br />

(B) 9<br />

(C) 10<br />

(D) 15<br />

(E) 30<br />

17. A box of crayons contains only red, green, and<br />

blue crayons. The probability of randomly<br />

selecting a red crayon from <strong>the</strong> box is-., and <strong>the</strong><br />

probability of randomly selecting a blue crayon<br />

is t· Which of <strong>the</strong> following could be <strong>the</strong> total<br />

number of crayons in <strong>the</strong> box?<br />

(A) 12<br />

(B) 16<br />

(C) 20<br />

(D) 25<br />

(E) 32<br />

18. What was <strong>the</strong> initial amount of water in a barrel, in<br />

liters, if <strong>the</strong>re are now x liters, y liters were lost, and<br />

6 liters were added?<br />

(A) x + y-6<br />

(B) y-x+6<br />

(C) x+y+6<br />

(D) y-x-6<br />

(E) x-y+ 6<br />

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

- z<br />

19. The square pyramid shown above has a height of<br />

12 feet, and <strong>the</strong> length of each edge of <strong>the</strong> base is<br />

16 feet. What is <strong>the</strong> length ofYZ, in feet?<br />

(A) 2Vs<br />

(B) 2\/7<br />

(C) 4Vl3<br />

(D) 4Vi?<br />

(E) 20<br />

20. After <strong>the</strong> first term, each term in a sequence is 4<br />

greater than t of <strong>the</strong> preceding term. If n is <strong>the</strong><br />

first term of <strong>the</strong> sequence and n-:/. 0, what is <strong>the</strong><br />

ratio of <strong>the</strong> second term to <strong>the</strong> first term?<br />

(A) n + 16<br />

4<br />

n+4<br />

(B)<br />

4<br />

(C) n + 16<br />

4n<br />

(D) n + 4<br />

(E)<br />

4n<br />

16 - n<br />

4<br />

STOP

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