algebra homework due ASAP
CHAPTER 9 ALGEBRA HOMEWORK A
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1.
|
Simplify:
(7 + x) + ( -7 + -x) + 11 |
|
a. |
25x |
d. |
14 |
|
b. |
18 |
e. |
19x |
|
c. |
11 |
____ 2.
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Simplify the expression. . |
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a. |
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d. |
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b. |
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e. |
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c. |
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____ 3.
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Simplify. Assume there are no zero denominators.
|
|
a. |
Does not simplify. |
d. |
|
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b. |
x = 2 |
e. |
3 |
|
c. |
x = 3 |
____ 4.
|
Subtract the fraction
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a. |
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d. |
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b. |
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e. |
3 |
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c. |
4 |
____ 5.
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Simplify by division
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a. |
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d. |
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b. |
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e. |
3 |
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c. |
4 |
____ 6.
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Simplify the expression.
|
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a. |
3n |
d. |
6n2 |
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b. |
21n2 |
e. |
- 8n. |
|
c. |
- 5n |
____ 7.
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Simplify the expression.
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a. |
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d. |
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b. |
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e. |
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c. |
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____ 8.
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Simplify
|
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a. |
3 in2 |
d. |
66 in2 |
|
b. |
21 in2 |
e. |
23 in. |
|
c. |
23 in2 |
____ 9.
|
Simplify the fraction.
|
|
a. |
-1 |
d. |
-3 |
|
b. |
+1 |
e. |
+4 |
|
c. |
-4 |
____ 10.
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Find the missing number or expression in each pair of equivalent fraction. Assume there is no zero denominators.
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a. |
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d. |
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b. |
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e. |
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c. |
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____ 11.
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What inputs are defined for the expression? Assume there are no zero denominators
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a. |
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d. |
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b. |
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e. |
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c. |
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____ 12.
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What inputs are defined for the expression? Assume there are no zero denominators (Simplify).
|
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a. |
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d. |
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b. |
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e. |
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c. |
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____ 13.
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Simply by multiplication
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a. |
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d. |
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b. |
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e. |
3 |
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c. |
4 |
____ 14.
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Simplify:
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a. |
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d. |
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b. |
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e. |
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c. |
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____ 15.
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Find the missing number or expression in each pair of equivalent fractions. |
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a. |
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d. |
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b. |
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e. |
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c. |
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____ 16.
|
Simplify. |
|
a. |
9 m |
d. |
16 m3 |
|
b. |
2 m2 |
e. |
14 |
|
c. |
4 m |
____ 17.
|
Simplify by multiplication
|
|
a. |
|
d. |
|
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b. |
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e. |
3 |
|
c. |
4 |
____ 18.
|
Cynthia is going to Virginia and have 160 miles to travel. At what rate would she need to drive to travel the distance in 4 hours? (Hint: First solve D = rt for r.)
|
|
a. |
25 |
d. |
33 |
|
b. |
40 |
e. |
45 |
|
c. |
15 |
____ 19.
|
Solve the equation:
|
|
a. |
|
d. |
|
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b. |
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e. |
9 |
|
c. |
6 |
____ 20.
|
Simplify. |
|
a. |
500 foot-pounds |
d. |
1600 foot-pounds |
|
b. |
2 ft |
e. |
5 foot-pounds |
|
c. |
5 ft |
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122
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118
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2,000 foot-pounds
400 pounds
2,000 foot-pounds400 pounds