Test Bank For Algebra for College Students 9th Edition By Margaret Lial, John Hornsby, Terry McGinnis (All Chapters, 100% Original Verified, A+ Grade)

Algebra for College Students 9e Margaret Lial, John Hornsby, Terry
McGinnis (Test Bank All Chapters, 100% Original Verified, A+ Grade)
Answers At The End Of Each Chapter
CH 0
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.
Write the set using set- builder notation.
1) {- 3, - 2, - 1, 0, . . .} 1)
A) {x x is any integer} B) {x x is an integer greater than - 4}
C) {- 3, - 2, - 1, 0} D) {x x is an integer between - 4 and 1}

2) {5, 6, 7, 8, 9} 2)
A) {x x is an irrational number between 4 and 10}
B) {x x is an integer between 4 and 10}
C) {x x is an integer between 5 and 9}
D) {x x is a number between 5 and 9}

3) {16, 17, 18, 19} 3)
A) {16, 17, 18, 19}
B) {x x is a natural number between 16 and 19}
C) {x x is an integer less than 20}
D) {x x is a natural number between 15 and 20}

4) {- 10, - 9, - 8, - 7, - 6} 4)
A) {x x is an integer between - 10 and - 6}
B) {x x is a natural number between - 11 and - 5}
C) {x x is an integer between - 11 and - 5}
D) {x x is a number between - 10 and - 6}

5) {2, 4, 6, 8, 10} 5)
A) {x x is any even natural number}
B) {x x is any integer}
C) {x x is an even natural number less than or equal to 10}
D) {2, 4, 6, 8}

6) {. . ., - 3, - 2, - 1, 0, 1, 2, 3, . . . } 6)
A) {x x is an integer} B) {x x is any integer greater than - 3}
C) {- 3, - 2, - 1, 0, 1, 2, 3} D) {x x is a natural number}




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,SHORT ANSWER. Write the word or phrase that best completes each statement or answers the
question.
Provide an appropriate response.
7) Explain what happens when an integer is multiplied by 1, - 1, and 0. Which one is the 7)
multiplicative identity for integers?


Answer the question.
8) A student claims that { 0 } is the same set as because zero means none, hence the 8)
number of elements in { 0 } is none. Was the student correct? Explain your answer.


Provide an appropriate response.
9) Explain how you can use the distributive property to help you evaluate 194·50. 9)

Answer the question.
10) A student claims that {1, 2, 3} and the set {3, 2, 1} are the same set. Explain why the 10)
student is correct or why the student is incorrect.


Provide an appropriate response.
11) Use an example to explain the difference between the associative and commutative 11)
properties of multiplication.


Answer the question.
12) Explain why the statement x < 5 or x > 8 cannot be written: 8 < x < 5. 12)

Provide an appropriate response.
13) Is it always true that c + (a · b) = (c + a)(c + b), where a, b, and c are real numbers? If not, 13)
provide an example that shows the statement is false.


14) Is subtraction commutative? Explain. 14)

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.
Write as a decimal.
15) 138% 15)
A) 1.39 B) 0.138 C) 1.38 D) 13.8

Add or subtract as indicated.
16) - 11 + 21 16)
A) - 32 B) 32 C) 10 D) - 10

Perform the indicated operations.
17) 1 - 5 · 7 + 3(- 6) 17)
A) 54 B) 18 C) - 16 D) - 52


2

,Solve the problem.
18) The table shows the heights in feet of some mountains and the depths in feet (as negative number) 18)
of some ocean trenches.

Mountain Height Trench Depth
A 14,300 P - 34,901
B 16,432 Q - 33,661
C 17,443 R - 23,328

How much deeper is the trench Q than the trench R?
A) - 10,333 ft B) - 56,989 ft C) 56,989 ft D) 10,333 ft

Use inequality symbols to rewrite the statement.
19) 8 is greater than or equal to 8. 19)
A) 8 < 8 B) 8 8 C) 8 > 8 D) 8 8

Perform the indicated operation.
20) 9 20)
0
A) 1 B) Undefined C) 0 D) 9

Find the square root. If it is not a real number, say so.
21) - 64 21)
A) Not a real number B) 8
C) - 8 D) 16

List all the elements of set B that are of the indicated type.
22) B = {15, 8, - 4, 0, 0 , 25} 22)
8
Whole numbers
A) 15, - 4, 0 B) 15, 0, 0 , 25 C) 15, - 4, 0, 25 D) 15, 0
8


Write the improper fraction as a mixed number.
23) 46 23)
13

A) 7 3 B) 7 2 C) 3 7 D) 3 6
13 13 13 13


Solve the problem.
24) If John puts 3 lb of roast beef on each sandwich, how many sandwiches can he make from 3 3 lb 24)
4 4
of roast beef?
A) 4 sandwiches B) 5 sandwiches C) 3 sandwiches D) 15 sandwiches




3

, Evaluate the expression.
25) - 105 25)
A) 1,000,000 B) 100,000 C) - 1,000,000 D) - 100,000

Add or subtract as indicated.
26) - 3 + 16 26)
A) 13 B) - 19 C) - 13 D) 19

Divide as indicated. Write the answer as a fraction in lowest terms.
27) 2 ÷ 3 27)
7 5

A) 8 B) 1 C) 10 D) 6
17 42 21 35


Add or subtract as indicated.
28) |2 + 7| 28)
A) - 9 B) - 5 C) 9 D) 5

Determine whether the inequality is true or false.
29) 3 · 10 18 + 7 29)
A) True B) False

Perform the indicated operation.
30) 0.69 - (- 0.48) 30)
A) 1.27 B) 0.21 C) 0.3312 D) 1.17

Use a number line to answer true or false to the statement.



31) - 2 12 31)
A) True B) False

Rewrite the statement so the inequality symbol points in the opposite direction.
32) - 15 > - 26 32)
A) 26 < 15 B) 15 > 26 C) - 26 < - 15 D) - 26 > - 15




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