16.03.2017 Views

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

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

12 Practice <strong>Tests</strong> <strong>for</strong> t h e <strong>SAT</strong> Practice Test Five Answers an d Explanations I 467<br />

Getting to <strong>the</strong> Answer:<br />

First, find t h e vo l ume of t h e cy l inder.<br />

V-w2h<br />

= 7t( 4)2 (2) = 327t "" 96<br />

Find t h e rectangu l ar so l id wit h t h e vo l ume c l osest to 96.<br />

A: 2 x 2 x 2 = 8<br />

8: 3 x 2 x 2 = 12<br />

C: 4 x 3 x 2 = 24<br />

0: 3 x 4 x 5 = 60<br />

f: 3 x 5 x 6=90<br />

Rectangu l ar so l id E<br />

h as vo l ume c l osest to 96.<br />

14. D<br />

Difficulty: Medium<br />

Strategic Advice: Use Picking Num b ers to h e l p you get t h e<br />

correct answer quickl y.<br />

Getting to <strong>the</strong> Answer:<br />

Try n = -2<br />

r =n3 -0.61 =(-2)3 -0.61 =-8-0.61 =-8.61<br />

5 = n2 - 0.61 = (2)2 - 0.6 1 = 4 - 0.61 = 3.39<br />

t = (n - 0.61 )2 = (-2- 0.61 )2 = (-2.61 )2 = 6.8121<br />

-8.6 1 < 3.39 < 6.8121<br />

r

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!