TEST BANK
n
,MULTIPLEnCHOICE.n Choosenthenonenalternativenthatnbestncompletesnthenstatementnornanswersnthenquestion.
Determinenwhethernthenfollowingnisnanstatement.nIfnitnis,nthennalsonclassifynthenstatementnasntruenornfalse.
1) Whyndon'tnyouncomenhere?
A) Notnanstatement B)nFalsenstatement
C)nTruenstatementnAnswer:n A
2) Thisnroomnisnbig.
A) Truenstatement B)nNotnanstatement
C)nFalsenstatementnAnswer:n B
3) 5n-n1n=n4
A) Truenstatement B)nNotnanstatement
C)nFalsenstatementnAnswer:n A
4) 7xn+n yn =n3
A) Falsenstatement B)nTruenstatement
C)nNotnanstatementnAnswer:n C
5) Cannyounbringnthenbook?
A) Truenstatement B)nNotnanstatement
C)nFalsenstatementnAnswer:n B
6) xn+n yn=n xn-n y,nwheren yn=n0
A) Falsenstatement B)nTruenstatement
C)nNotnanstatementnAnswer:n B
7) 12n=n3y
A) Notnanstatement B)nFalsenstatement
C)nTruenstatementnAnswer:n A
8) 2.4n =n5.2
A) Falsenstatement B)nNotnanstatement
C)nTruenstatementnAnswer:n A
9) ThenstatenofnCalifornian isninnNorthnAmerica.
A) Notnanstatement B)nFalsenstatement
C)nTruenstatementnAnswer:n C
10) Braziln isninnAsia.
A) Truenstatement B)nNotnanstatement
C)nFalsenstatementnAnswer:n C
Usenanquantifierntonmakenthenfollowingntruenornfalse,nasnindicated,nwherenxnisnannaturalnnumber.
11) xn+nxn=n6n (makentrue)
A) Therenisnnonnaturalnnumbernxnsuchnthatnxn+nxn=n6.
B) Fornallnnaturalnnumbersnx,nxn+nxn=n6.
C) Therenexistsnannaturalnnumbernxnsuchnthatnxn+nxn=n6.
D) Forneverynnaturalnnumbernx,nxn+nxn=n6.
Answer:n
C
, 12) x3n=n8n n (maken true)
A) Nonnaturalnnumbernxnexistsnsuchnthatnx3n =n8.
B) Everynnaturaln numbernxnsatisfiesnx3n =n8.
C) Therenexistsnannaturalnnumbernxnsuchnthatnx3n=n8.
D) Threennaturalnnumbersnxnexistnsuchnthatnx3
n=n8.nAnswer:n C
13) 2xn+n1n=n5n-nxn (makentrue)
A) Nonnaturalnnumbernxnexistsnsuchnthatn2xn+n1n =n5n -nx.
B) Therenexistsnannaturaln numbernxnsuchnthatn2xn+n1n =n5n -n x.
C) Onlyntwonnaturalnnumbersnxnexistnsuchnthatn2xn +n 1n=n5n-n x.
D) Forneverynnaturalnnumbernx,n2xn+n1n=n5
n-nx.nAnswer:n B
14) 12xn=n5xn +n7xn (makenfalse)
A) Forneverynnaturaln numbernx,n12xn =n5xn+n7x.
B) Therenisnnonnaturalnnumbernxnsuchnthatn12xn=n5xn+n7x.
C) Morenthannonennaturalnnumbernxnexistsnsuchnthatn 12xn=n5xn+n7x.
D) Therenexistsnannaturalnnumbernxnsuchnthatn12xn=n5x
n+n7x.nAnswer:n B
15) xn-n13n=n13n-nxn (makenfalse)
A) Fornxn=n 13,nxn-n 13n =n13n-n x.
B) Theren existsn an naturaln numbernxn suchnthatnxn -n13n=n13n-nx.
C) Atnleastnonennaturaln numbernxn existsnsuchnthatnxn -n13n=n13n-n x.
D) Therenisnnonnaturalnnumbernxnsuchnthatnxn-
n13n=n13n-nx.nAnswer:nD
16) 4xn =n7xn n (maken false)
A) Therenisnnonnaturalnnumbern xnsuchnthatn4xn=n7x.
B) Forneveryn naturaln numbernx,n4xn =n7x.
C) Nonnaturalnnumbernxnsatisfiesn4xn=n
7x.nAnswer:n B
Writenthenstatementnindicated.
17) Writenthennegationnofnthenfollowi
ng:nThentestnisndifficult.
A) Thentestnisnnotndifficult. B)n Thentestnisnnotnveryneasy.
C)nThentestnisnveryndifficult.
D)nThentestnisnnotnea
sy.nAnswer:n A
18) Writenthennegationnofnthenfollowi
ng:n8n+n2n=n10
A) 8n +n2n =n12 B)n 8n +n2n=n2n+n8
Answer:n
D
, C)nThensumnofn8nandn2nisnten. D)n8n+n2n≠n10
Answer:n
D
n
,MULTIPLEnCHOICE.n Choosenthenonenalternativenthatnbestncompletesnthenstatementnornanswersnthenquestion.
Determinenwhethernthenfollowingnisnanstatement.nIfnitnis,nthennalsonclassifynthenstatementnasntruenornfalse.
1) Whyndon'tnyouncomenhere?
A) Notnanstatement B)nFalsenstatement
C)nTruenstatementnAnswer:n A
2) Thisnroomnisnbig.
A) Truenstatement B)nNotnanstatement
C)nFalsenstatementnAnswer:n B
3) 5n-n1n=n4
A) Truenstatement B)nNotnanstatement
C)nFalsenstatementnAnswer:n A
4) 7xn+n yn =n3
A) Falsenstatement B)nTruenstatement
C)nNotnanstatementnAnswer:n C
5) Cannyounbringnthenbook?
A) Truenstatement B)nNotnanstatement
C)nFalsenstatementnAnswer:n B
6) xn+n yn=n xn-n y,nwheren yn=n0
A) Falsenstatement B)nTruenstatement
C)nNotnanstatementnAnswer:n B
7) 12n=n3y
A) Notnanstatement B)nFalsenstatement
C)nTruenstatementnAnswer:n A
8) 2.4n =n5.2
A) Falsenstatement B)nNotnanstatement
C)nTruenstatementnAnswer:n A
9) ThenstatenofnCalifornian isninnNorthnAmerica.
A) Notnanstatement B)nFalsenstatement
C)nTruenstatementnAnswer:n C
10) Braziln isninnAsia.
A) Truenstatement B)nNotnanstatement
C)nFalsenstatementnAnswer:n C
Usenanquantifierntonmakenthenfollowingntruenornfalse,nasnindicated,nwherenxnisnannaturalnnumber.
11) xn+nxn=n6n (makentrue)
A) Therenisnnonnaturalnnumbernxnsuchnthatnxn+nxn=n6.
B) Fornallnnaturalnnumbersnx,nxn+nxn=n6.
C) Therenexistsnannaturalnnumbernxnsuchnthatnxn+nxn=n6.
D) Forneverynnaturalnnumbernx,nxn+nxn=n6.
Answer:n
C
, 12) x3n=n8n n (maken true)
A) Nonnaturalnnumbernxnexistsnsuchnthatnx3n =n8.
B) Everynnaturaln numbernxnsatisfiesnx3n =n8.
C) Therenexistsnannaturalnnumbernxnsuchnthatnx3n=n8.
D) Threennaturalnnumbersnxnexistnsuchnthatnx3
n=n8.nAnswer:n C
13) 2xn+n1n=n5n-nxn (makentrue)
A) Nonnaturalnnumbernxnexistsnsuchnthatn2xn+n1n =n5n -nx.
B) Therenexistsnannaturaln numbernxnsuchnthatn2xn+n1n =n5n -n x.
C) Onlyntwonnaturalnnumbersnxnexistnsuchnthatn2xn +n 1n=n5n-n x.
D) Forneverynnaturalnnumbernx,n2xn+n1n=n5
n-nx.nAnswer:n B
14) 12xn=n5xn +n7xn (makenfalse)
A) Forneverynnaturaln numbernx,n12xn =n5xn+n7x.
B) Therenisnnonnaturalnnumbernxnsuchnthatn12xn=n5xn+n7x.
C) Morenthannonennaturalnnumbernxnexistsnsuchnthatn 12xn=n5xn+n7x.
D) Therenexistsnannaturalnnumbernxnsuchnthatn12xn=n5x
n+n7x.nAnswer:n B
15) xn-n13n=n13n-nxn (makenfalse)
A) Fornxn=n 13,nxn-n 13n =n13n-n x.
B) Theren existsn an naturaln numbernxn suchnthatnxn -n13n=n13n-nx.
C) Atnleastnonennaturaln numbernxn existsnsuchnthatnxn -n13n=n13n-n x.
D) Therenisnnonnaturalnnumbernxnsuchnthatnxn-
n13n=n13n-nx.nAnswer:nD
16) 4xn =n7xn n (maken false)
A) Therenisnnonnaturalnnumbern xnsuchnthatn4xn=n7x.
B) Forneveryn naturaln numbernx,n4xn =n7x.
C) Nonnaturalnnumbernxnsatisfiesn4xn=n
7x.nAnswer:n B
Writenthenstatementnindicated.
17) Writenthennegationnofnthenfollowi
ng:nThentestnisndifficult.
A) Thentestnisnnotndifficult. B)n Thentestnisnnotnveryneasy.
C)nThentestnisnveryndifficult.
D)nThentestnisnnotnea
sy.nAnswer:n A
18) Writenthennegationnofnthenfollowi
ng:n8n+n2n=n10
A) 8n +n2n =n12 B)n 8n +n2n=n2n+n8
Answer:n
D
, C)nThensumnofn8nandn2nisnten. D)n8n+n2n≠n10
Answer:n
D
