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

12 Practice Tests for t h e SAT
474
Practice Test Five Answers and Explanations
2. D
Getting to the Answer:
Difficulty: Low
Strategic Advice: Use t h e process of e l imination to find t h T
e
h e common area of ray PT and ray SP is segment PS.
so l ution. 5. E
Getting to the Answer:
(A): Not divisi Difficulty: Medium
5
(B): Not divisi Strategic b Advice: First, find t h e tota l num b er of residents
efore
(C): Not divisi determining t
l e b h e num b er of residents in a certain age
y 7
(D): Divisi b l e y 5 and 7, b ut not divisi b group.
l e b y 10. Correct.
(E): Not divisi b Getting to the Answer:
l e b y 7
r x O. 15 = 9,000
r= 60,000
3. D
l 0% are 20 - 29 + 15% are 20 and = 250/o are under 30
Difficulty: Low
Strategic Advice: P l ug in t h e va l ues for w from t h e c h art.
Here, we're Picking Num b ers found in t h e ta b 60,000 x 0.25 = 1 5,000 residents are under 30
l e.
6. c
Getting to the Answer:
Difficulty: Medium
Start wit h 0. Find out w h ic h answer c h oices yie ld - l as your
resu l t.
(A): 0- l = - 1
(B): + l = l; e l iminate (B)
(C): 3(0) + l 0 + l = l; e l iminate (C)
(D): 3(0) - l = 0 - l = -1
(E): l - 3(0) = l - 0 = l; e l iminate (E)
Now use 3 to find w h ic h answer c h oice yie ld s 8.
(A): 3 - l = 2; e l iminate (A)
(D): 3(3) - l = 9 - l = 8. Correct.
4. B
Difficulty: Low
Strategic Advice: Remem b er t h at a ray h as one endpoint
h(starting point), contains t h e given points, and does not
ave a stopping point, w ereas a segment starts at one
point and ends at t h e ot h er given point. A l so, keep in mind
t h at intersection means t h e e l ements common to b ot h sets.
Strategic Advice: f (x) is positive w h en t h e grap h is a b ove
t h e x-axis.
Getting to the Answer:
Find t h e p l ace w h ere t h e grap h is a b ove t h e x-axis.
l