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

374
12 Practice Tests for t h e SAT
Practice Test Four Answers and Explanations
Getting to the Answer:
I. It l ooks l ike (3.5, 0.5) is in t h e s h aded region. T h is wou
make ld
m 3.5, so I is fa l se. E l iminate (A), (C), and (E).
II. It a l so l ooks l ike (2, 1) is in t h e s h aded region, w h ic h
=
wou ld make m 2, 1, so II is fa l se. E l iminate (D). So a
you h ave l eft is (B).
ll
=
y
3
n =
y = f(x)
20. D
Difficulty: Hig h
Strategic Advice: T h is is t h e l ast question in section.
T test maker wants you to count out a ll of t h e integers in
t h e set: a big time waster! T ere's probabl y an easier way
to so l ve t h e probl em. W h at h appens if you a dd up a ll t h e
integers from -5 to 5?
Getting to the Answer:
-30 + (-28) + (-26) + ... +(-2) + 0 + 2 + ... + 30 0,
so t h e first 31 numbers cance l out. T h en 32 + 34 66, for
=
a tota l of 33 numbers.
=
0
19. E
Difficulty: Hig h
Strategic Advice: Some questions on Test Day wi ll h ave
answer c h oices t h at l ook very simi l ar. Since you h ave t h e
same variabl e in your question as in your answer c h oice,
try Picking Numbers.
Getting to the Answer:.
Pick a number l ike 12.99.
(A) I 12.99 - 13 I -T6? No
1
=
0.01 16
(C) I 12.99 - 13 > I -T6? No
1
O.Q l 16
(E) I 12.99 - 13 I < -T6? Yes
1 0.01< 16
x
SECTION 3
1. c
Difficulty: Low
W h at wou ld you ca ll somet h ing t h at comes and goes regu l ar l y?
A ll you know about h is discomfort is t h at it was coming and
going regularly throughout the day, so a ll t h at can rea ll y be
inferred h ere is t h at t h is discomfort was recurring or regular,
bot h great predictions for t h e bl an k.
In (A), unmediated,
discomfort wou ld not necessari l y come
and go regu l ar l y. In (B), if t h e discomfort was coming and
going regularly throughout the day, t h en it cou ld not h ave
been spontaneous. C oice (C) is a perfect matc h for your
prediction. In (D), not h ing in t h e sentence describes t h e
importance of t h e discomfort. In (E), simi l ar l y, not h ing in
t h e sentence indicates w h et h er or not t h e discomfort was
particu l ar to t h e subject or t h at area.
2. A
Difficulty: Low
If Lucinda was in the midst of somet h ing angry and noisy,
w h at mig h t s h e be surprised to fee l ?
Stick to on l y w h at you know from t h e sentence. Beginning
wit h t h e first bl an k, a ll you know is t h at w h atever Lucinda
was in t h e middl e of, it was angry and noisy, so a word l i ke
disorder or commotion wou ld be a good prediction h ere.
And
l if Lucinda was in suc h a situation, s h e wou ld most
i ke l y be surprised to fee l peaceful, or free of disturbance or
commotion, bot h great predictions for t h e second bl an k.