Test Bank for College Algebra, 5th Edition Cynthia Y. Young Chapter 1-9

Test Bank for
x x


College Algebra, 5th Edition Cynthia Y. Young
x x x x x x


Chapterx1-9

Chapterx1 EquationsxandxInequalities

1.1 x LinearxEquations

1) Solvexthexequation.
-56xx-x54x=x10x-x60x
A) 16
B) 64
C) -116
D) 60
Answer:x x A
Diff:x1 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexlinearxequationsxinxonexvariable.

2) Solvexthexequation.
25cx+x2x=x7x+x22c
A) 9/47
B) 38
C) 5/3
D) 56
Answer:x x C
Diff:x1 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexlinearxequationsxinxonexvariable.

3) Solvexthexequation.
5(xx-x3)x-x5x=xxx-x3(xx-x2)
A) 7/26
B) 6/7
C) 26/7
D) 7/6
Answer:x x C
Diff:x2 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexlinearxequationsxinxonexvariable.




1

,4) Solvexthexequation.x
x =x x +x5

A) -5/4
B) -1/9
C) -9
D) -150/19
Answer:x x D
Diff:x2 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexlinearxequationsxinxonexvariable.

Specifyxthexvaluesxthatxmustxbexexcludedxfromxthexsolutionxset.x
5)
x -x1x=x

A) 0xandx9
B) 9
C) 0
D) -9
Answer:x x A
Diff:x1 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexrationalxequationsxthatxarexreduciblextoxlinearxequations.

6) Specifyxthexvaluesxthatxmustxbexexcludedxfromxthexsolutionxset.x
x -x x =x

A) -20
B) -7xandx20
C) 7xandx-20
D) 7,x23,xandx-20
Answer:x x C
Diff:x1 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexrationalxequationsxthatxarexreduciblextoxlinearxequations.




2

,7) Specifyxthexvaluesxthatxmustxbexexcludedxfromxthexsolutionxset.x
x -x x =x

A) -26
B) 26xandx-19/8
C) -26xandx8/19
D) -26,x25xandx8/19
Answer:x x C
Diff:x2 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexrationalxequationsxthatxarexreduciblextoxlinearxequations.

8) Specifyxthexvaluesxthatxmustxbexexcludedxfromxthexsolutionxset.


=x-9



A) 0xandx29
B) 0
C) 29
D) -9
Answer:x x A
Diff:x2 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexrationalxequationsxthatxarexreduciblextoxlinearxequations.

Solvexthexequation.x
9)
x =x5x-x

A) 75/29
B) 21/75
C) 29/75
D) 4/5
Answer:x x C
Diff:x2 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexrationalxequationsxthatxarexreduciblextoxlinearxequations.




3

, Solvexthexequation.x
10)
x =x

A) noxsolution
B) 19/20
C) 21/20
D) 1/20
Answer:x x C
Diff:x2 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexrationalxequationsxthatxarexreduciblextoxlinearxequations.

11) Solvexthexequation.

x =x

A) 1/5
B) 5
C) -5
D) -1/5
Answer:x x D
Diff:x2 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexrationalxequationsxthatxarexreduciblextoxlinearxequations.

12) Solvexthexequation.


=x6



A) 1
B) 10
C) 5
D) Nonexofxthexabovex
Answer:x D
Diff:x3 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexrationalxequationsxthatxarexreduciblextoxlinearxequations.

13) Solvex2nx+x10=x17-x5n.
Answer:x x 1
Diff:x1 Var:x1
Chapter/Section:x x Chx01,xSecx01
LearningxObjective:x x Solvexlinearxequationsxinxonexvariable.


4