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

12 Practice Tests for t h e SAT
Practice Test Five Answers and Explanations I
465
Fina l l y, t h e aut h or's l anguage is generic an d repetitive
(nothing, happen, things, people). In addition, h is sentence
structure is simp l istic and occasiona l l y incorrect, wit h two
run-on sentences and two fragments, one b eginning wit
t h e conjunction h
and and t h e ot h er wit h so. T h ere are
a l so some grammatica l errors, inc l uding incorrect use of
pronouns t h roug h out (there instead of their, thats instead
of that's) and spe ll ing errors (strenth instead of strength,
awhile instead of a while, him self instead of himself). To
ac h ieve a h ig h er score on h is SAT essay, t h is writer s h ou l d
h ave l eft enoug h time to proofrea d to correct any o b vious
mistakes.
SECTION 2
1. A
Difficulty: Low
Strategic b Advice: Remem b er t h at a perfect square can
e t h e pro duct of two negative num b ers or two positive
num b ers.
Getting to the Answer:
x 2 -49 =O
x 2 =49
X=7
or x=-7
2. B
Difficulty: Low
Strategic Advice: To find t h e area of a rectang l e, mu l tip l y
t h e widt h b y t h e l engt h . Be carefu l w h en trans l ating from
Eng l is h into mat h .
Getting to the Answer:
Lengt h (I) 13 feet= 3 feet more t h an t h e widt h = 3 + w
Widt h (w) = I - 3 = 13 - 3 = 1 O
Area: Ix w
13 x 10 = 130 square feet
3. E
Difficulty: Low
Strategic Advice: T h is is a two-step pro b l em. First fin d a
numerica l va l ue for s, t h en use t h at to find 3s.
Getting to the Answer:
S=3X4=12
3s = 3(12) = 36
4. E
Difficulty: Low
Strategic Advice: Read a l l of t h e answer c h oices b efore
deciding w h ic h is true.
Getting to the Answer:
C h oice (A) is fa l se, b ecause some integers in set Tare
negative. C h oice (B) is fa l se, b ecause we're not to
w h et h er every negative integer is in set ld
T. C h oice (C)
is fa l se, b ecause some integers in set Tare negative.
C h oice (D) is fa l se, b ecause on l y some integers in set T
are negative. C h oice (E) is true, b ecause t h ere is a mix of
positive and negative num b ers in t h is set.
5. B
Difficulty: Low
Strategic Advice: T h e measure of t h e perimeter is equa l to
t h e sum of t h e l engt h s of a ll t h ree sides of a triang l e.
Getting to the Answer:
If t h e l engt h of one side is 4, t h en t h e sum of t h e l engt h of
t h e remaining sides is 16 -4 = 4.
Since b ot h sides are equa l , eac h side is 1 2 = 6.
Lengt h of eac h of t h e ot h er two sides: 6
6. D
Difficulty: Medium
Strategic Advice: Use t h e information provided in t h e grap
to try to prove eac h answer c h oice wrong.
h
Getting to the Answer:
C h oice (A) is fa l se; on l y 6 out of 14 students studied over
4 h ours. oice (B) is fa se; none of t h e students studied
8
h ours. C h oice (C) is fa l se; 4 juniors studied more t h an 2
ours. C h oice (D) is true; 2 sop h omores studied for more
t h an 2 h ours and 1 first-year studied for more t h an 2 h ours.
C h oice (E) is fa l se; on l y 3 out of 14 students are first-years.