m
,MULTIPLEmCHOICE.m Choosemthemonemalternativemthatmbestmcompletesmthemstatementmormanswersmthemquestion.
Determinemwhethermthemfollowingmismamstatement.mIfmitmis,mthenmalsomclassifymthemstatementmasmtruemormfalse.
1) Whymdon'tmyoumcomemhere?
A) Notmamstatement B)mFalsemstatement
C)mTruemstatementmAnswer:m A
2) Thismroommismbig.
A) Truemstatement B)mNotmamstatement
C)mFalsemstatementmAnswer:m B
3) 5m-m1m=m4
A) Truemstatement B)mNotmamstatement
C)mFalsemstatementmAnswer:m A
4) 7xm+m ym =m3
A) Falsemstatement B)mTruemstatement
C)mNotmamstatementmAnswer:m C
5) Canmyoumbringmthembook?
A) Truemstatement B)mNotmamstatement
C)mFalsemstatementmAnswer:m B
6) xm+m ym =mxm-m y,mwherem ym=m0
A) Falsemstatement B)mTruemstatement
C)mNotmamstatementmAnswer:m B
7) 12m=m3y
A) Notmamstatement B)mFalsemstatement
C)mTruemstatementmAnswer:m A
8) 2.4m =m5.2
A) Falsemstatement B)mNotmamstatement
C)mTruemstatementmAnswer:m A
9) ThemstatemofmCaliforniam isminmNorthmAmerica.
A) Notmamstatement B)mFalsemstatement
C)mTruemstatementmAnswer:m C
10) Brazilm isminmAsia.
A) Truemstatement B)mNotmamstatement
C)mFalsemstatementmAnswer:m C
Usemamquantifiermtommakemthem followingmtruem ormfalse,masmindicated,mwheremxmismamnaturalmnumber.
11) xm+mxm=m6m (makemtrue)
A) Theremismnomnaturalmnumbermxm suchmthatmxm+mxm=m6.
B) Formallmnaturalmnumbersmx,mxm+mxm=m6.
C) Theremexistsmamnaturalmnumbermxmsuchmthatmxm+mxm=m6.
D) Formeverymnaturalmnumbermx,mxm+mxm=m6.
Answer:m
C
, 12) x3m=m8m m (makem true)
A) Nomnaturalmnumbermxmexistsm suchmthatmx3m =m8.
B) Everymnaturalm numbermxmsatisfiesmx3m =m8.
C) Theremexistsmamnaturalmnumbermxmsuchmthatmx3m=m8.
D) Threemnaturalmnumbersmxmexistmsuchmthatm
x3m=m8.mAnswer:m C
13) 2xm+m1m=m5m- mxm (makemtrue)
A) Nomnaturalmnumbermxmexistsmsuchmthatm2xm+m1m =m5m -mx.
B) Theremexistsmamnaturalm numbermxmsuchmthatm2xm+m1m =m5m -mx.
C) Onlymtwomnaturalmnumbersmxmexistmsuchmthatm2xm +m 1m=m5m-mx.
D) Formeverymnaturalmnumbermx,m2xm+m1m
=m5m-mx.mAnswer:m B
14) 12xm=m5xm +m7xm (makem false)
A) Formeverymnaturalm numbermx,m12xm =m5xm+m7x.
B) Theremismnomnaturalmnumbermxm suchmthatm12xm=m5xm +m7x.
C) Moremthanmonemnaturalmnumbermxmexistsmsuchmthatm 12xm=m5xm+m7x.
D) Theremexistsmamnaturalmnumbermxmsuchmthatm12xm=
m5xm+m7x.mAnswer:m B
15) xm- m13m=m13m-mxm (makemfalse)
A) Formxm=m13,mxm-m 13m =m13m-m x.
B) Therem existsm am naturalm numbermxm suchmthatmxm -m13m=m13m-mx.
C) Atmleastmonem naturalm numbermxm existsm suchmthatmxm -m13m=m13m-mx.
D) Theremismnomnaturalmnumbermxmsuchmthatmxm-
m13m=m13m-mx.mAnswer:mD
16) 4xm =m7xm m (makem false)
A) Theremismnomnaturalmnumberm xm suchmthatm4xm=m7x.
B) Formeverym naturalm numbermx,m4xm =m7x.
C) Nomnaturalmnumbermxmsatisfiesm4xm
=m7x.mAnswer:m B
Writemthemstatementmindicated.
17) Writemthemnegationmofmthemfollo
wing:mThemtestmismdifficult.
A) Themtestmismnotmdifficult. B)m Themtestmismnotmverymeasy.
C)mThemtestmismverymdifficult.
D)mThemtestmismnotm
easy.mAnswer:m A
18) Writemthemnegationmofmthemfollo
wing:m8m+m2m=m10
A) 8m +m2m =m12 B)m 8m +m2m=m2m+m8
Answer:m
D
, C)mThemsummofm8mandm2mismten. D)m8m+m2m≠m10
Answer:m
D