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Chapter 12 - Assessment
Multiple Choice
Identify the choice that best completes the statement or answers the question.
Write the decimal as a fraction or mixed number in simplest form.
A
B
C
D
1.
0.25
a.
c.
–
b.
d.
A
B
C
D
2.
–0.478
a.
c.
b.
d.
A
B
C
D
3.
–5.62
a.
c.
–
b.
–
d.
–
A
B
C
D
4.
5.642
a.
c.
b.
d.
–
Add or subtract. Write fractions in simplest form.
A
B
C
D
5.
a.
0.096
c.
0.106
b.
–0.106
d.
–3.294
A
B
C
D
6.
a.
c.
–
b.
d.
A
B
C
D
7.
a.
c.
b.
d.
A
B
C
D
8.
–
a.
c.
b.
d.
A
B
C
D
9.
–
a.
c.
b.
d.
A
B
C
D
10.
a.
1.92
c.
1.02
b.
–1.02
d.
1.03
A
B
C
D
11.
–8.3 – 0.8
a.
–9.1
c.
7.5
b.
–7.5
d.
9.1
Multiply or divide. Write fractions in simplest form.
A
B
C
D
12.
a.
–2.5
c.
5.6
b.
2.5
d.
–0.4
A
B
C
D
13.
a.
–0.2
c.
2
b.
5
d.
50
A
B
C
D
14.
a.
c.
b.
d.
A
B
C
D
15.
a.
c.
b.
d.
A
B
C
D
16.
–
´
a.
–
c.
b.
–
d.
A
B
C
D
17.
–
a.
c.
b.
d.
A
B
C
D
18.
a.
20
c.
2.45
b.
–20
d.
–2.45
A
B
C
D
19.
a.
0.18
c.
0.72
b.
–0.72
d.
–0.18
Other
1.
Extended Response
The temperature in a northern town drops
°F each hour. At 5:00
P.M.
, the temperature is 13°F.
a. Use a number line to graph the temperature at each hour from 6:00
P.M.
to 11:00
P.M.
b. At which hour does the temperature reach 0°F?
