Test Bank For Finite Mathematics for the Managerial, Life, and Social Sciences - 24th - 2018 All Chapters

MULTIPLEjCHOICE.jjChoosejthejonejalternativejthatjbestjcompletesjthejstatementjorjanswersjt
hejquestion.
Determinejwhetherjthejstatementjisjtruejorjfalse.
1)jEveryjrationaljnumberjisjanjinteger.
A)jTrue
B)jFalse
Answer:jB
2)jEveryjirrationaljnumberjisjanjinteger.
A)jTrue
B)jFalse
Answer:jB
3)jEveryjwholejnumberjisjajrealjnumber.
A)jTrue
B)jFalse
Answer:jA
4)jSomejrationaljnumbersjarejirrational.
A)jTrue
B)jFalse
Answer:jB
5)jSomejrationaljnumbersjarejintegers.
A)jTrue
B)jFalse
Answer:jA
6)jEveryjintegerjisjanjirrationaljnumber.
A)jTrue
B)jFalse
Answer:jB
7)jThejabsolutejvaluejofjanyjnumberjisjpositive.
A)jTrue
B)jFalse
Answer:jB
8)jSomejrealjnumbersjarejintegers.
A)jTrue
B)jFalse
Answer:jA
9)jThejabsolutejvaluejofjanyjnonzerojnumberjisjpositive.
A)jTrue
B)jFalse
Answer:jA
1
ACCESSjTestjBankjforjFinitejMathematicsjwithjApplicationsjInjthe
jjjjManagementjNaturaljandjSocialjSciencesj13thjEditionjLial

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,10)jThejabsolutejvaluejofjanyjnonzerojnumberjisjanjirrationaljnumber.
A)jTrue
B)jFalse
Answer:jB
Namejthejpropertyjillustrated.
11)j2j·j1j=j2
A)jAssociativejproperty
B)jCommutativejproperty
C)jIdentityjproperty
D)jDistributivejproperty
Answer:jC
12)j(7j+j9)j+j6j=j(9j+j7)j+j6
A)jCommutativejproperty
B)jDistributivejproperty
C)jAssociativejproperty
D)jIdentityjproperty
Answer:jA
13)j1j+j0j=j1
A)jDistributivejproperty
B)jAssociativejproperty
C)jCommutativejproperty
D)jIdentityjproperty
Answer:jD
14)j8(xj+j2)j=j8xj+j8j·2
A)jAssociativejproperty
B)jIdentityjproperty
C)jCommutativejproperty
D)jDistributivejproperty
Answer:jD
15)j8j+j3j=j3j+j8
A)jAssociativejproperty
B)jDistributivejproperty
C)jIdentityjproperty
D)jCommutativejproperty
Answer:jD
16)j(7j·8)j·8j=j7j·j(8j·8)
A)jDistributivejproperty
B)jCommutativejproperty
C)jAssociativejproperty
D)jIdentityjproperty
Answer:jC
2
ACCESSjTestjBankjforjFinitejMathematicsjwithjApplicationsjInjthe

, ManagementjNaturaljandjSocialjSciencesj13thjEditionjLial
jjjj

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17)j5j·6j=j6j·5
A)jCommutativejproperty
B)jDistributivejproperty
C)jAssociativejproperty
D)jIdentityjproperty
Answer:jA
18)j8j+j(6j+j9)j=j(8j+j6)j+j9
A)jDistributivejproperty
B)jAssociativejproperty
C)jCommutativejproperty
D)jIdentityjproperty
Answer:jB
19)j5(9j+j13)j=j(9j+j13)5
A)jDistributivejandjassociativejproperties
B)jIdentityjandjassociativejproperties
C)jAssociativejandjcommutativejproperties
D)jCommutativejproperty
Answer:jD
Evaluatejthejexpression,jgivenjxj=j-2,jyj=j3,jandjaj=j-4.
20)j-3xj+j4yj+j7a
A)j-10
B)j10
C)j11
D)j-45
Answer:jA
21)j(7xj+j5y)(-4a)
A)j176
B)j16
C)j-644
D)j-16
Answer:jB
22)j-9aj-j7yj+j8x
A)j70
B)j-1
C)j74
D)j-31
Answer:jB
23)j(-8j+jx)(2j+jy)(-9j-ja)
A)j650
B)j-250
C)j390

, D)j250
Answer:jD
3
ACCESSjTestjBankjforjFinitejMathematicsjwithjApplicationsjInjthe
jjjjManagementjNaturaljandjSocialjSciencesj13thjEditionjLial

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24)j(-8a)(8xj+j4y)
A)j512
B)j896
C)j128
D)j-128
Answer:jD
25)j-7(xj+j2)j+j3a2
A)j-48
B)j20
C)j48
D)j-12
Answer:jC
Evaluatejthejexpressionjusingjorderjofjoperations.
26)j(6j+j(-3))[3j+j(2j+j6)]
A)j14
B)j10
C)j35
D)j33
Answer:jD
27)j(-5)j·j(2j+j5)j+j(-5)j·7
(-5)j·j(7j-j1)
A)j71
30
B)j14
3
C)j7
3
D)j3
7
Answer:jC
28)j(-2)j·j(8j-j7)j+j(-2)j·4
(-2)j·j(4j-j1)
A)j50
3
B)j3
5
C)j11