泰安市重點(diǎn)中學(xué)2023-2024學(xué)年七年級(jí)數(shù)學(xué)第一學(xué)期期末學(xué)業(yè)質(zhì)量監(jiān)測(cè)試題含解析

2023-2024

i.

2.0g?&?Bt,&{W/b?^êJs,fcWgfcjtbS

0^?&W,^?W#±?^o

3.

-,?&?:*±?#i2>Nb?,$/b?3#,^36^.?</b?^tB?üE4-^>b,g!?M

1.aa=|,b=-ltf,^^3ab-2a-+2(a2-b2)m^()

13

A.6B.5C.4D.------

2

2.&ffl,?Z1=Z2:(2)Z3=Z4:?AB//CE,￡.ZADC=ZB:?AB//CE,S.ZBCD=ZBAD.

C.@?D.@?@

8

c.-D.p-q

t

4.TJüi§^+,(

A.jfiL^sa,bffi?TjSmB.mcMAB

C.^5?abbcbD.M^aAC^^B.f?BC=AC

5.&MaWl-4bZ$rt0￡|t3P^^?2(b-2a+10)+7(a-2b-3)W<?()

A.-4B.-2C.2D.4

6.BMa,ütx,yS&fêm,m2|?+b\-2xy

()

A.2B.-2C.1D.-1

7.?±2020^12^10H14w,69242810,Tffi?E^W

>()

A.69xl056B.69.2xl06C.6.92xl07D.6.92xl08

8.$n??E^W^,()

9.

A.120°135°145°150°

10.M,ZAOB=ZCOD=90°,ZAOC=ZBOD,()

A.B.

C.D.

11.)

A.WWc?M2B.

C.-3x2y7yx2>RJD.^^2x2-y

12.T3W?^,

A.-(-1)B-l-llC.(-1)3D.(-1)2

13.B&^xf?ZfrB2x+a-9=0?W?x=2,Jü!|a.

14.-SKiè^W^?f,

j￡W?r2&j5,W^3^?f?,SP^Mfr5&W^OJ?m.

?-^tfr5SZ1??WSSH^tfr

15.M,OAift^M$32o,OB^M&57°,ffl&ZAOB=

16.W-^WWa^Jb,M>3fif|W

17.“ffiMSTO-ffifti?,,zmwm,MMSèM__________

18.(5^-)

(1)x--x=ll

6

19.(5#)fcjffl,BMA,B,C,D,&TWé0M:

.D

(1),?SAB,AC;

(2),MBI),W^AC^^E;

(3),^gAD,^?iiè,3êOêBCTF.

20.(8^)(1)—l-2x=l

2

(2)M,?éE3x3Jfca,b?.

3

M4^b

W>

&K$2-fi?

aDa

4$

$

4?

aiH

&rJI

$11

1>D

[#ffila,bMièvKBPRT.

[WJfêh3ab-2a2+2(a2-b2)

=3ab-2a2+2a2—2b2

=3ab-2b2

Sa=-,Z?=-lBt

2

3

±^=3x-x(-l)-2x(-l)2

2

13

2

D.

[?]

2>D

[WJM:?vzi=Z2,

AAB//CD,W'a'SB;

?VZ3=Z4,

ABC//AD,??-ê-?j￡;

?VAB//CD,

.*.ZB+ZBCD=180°,

VZADC=ZB,

AZADC+ZBCD=180o,BC//AD,>;

?VAB//CE,

ZB+ZBCD=180°,

VZBCD=ZBAD,

.*.ZB+ZBAD=180°,nJWBC//AD,

?fcf?f?HjBC//AD

D.

[￡?]

MMTO.iWMMMW.R)￡f*I?

#,MMW.

3>B

m+n

[WJM:A,---

3

4

B.-yXJZ-X?;

Q

a

t

D.

M:B.

L^B?]

4>D

LWMJM:A,Ma,

B.M<ftM2r?Pmp?b>Faê^,

CXabMgabWbeM^?^i,

D,MMaACS^B,f?BC=AC,jEfà.

D.

[?]

5,A

[Wrl^WM^WW^SWa-4^=-i,SWOttftA&^ttBPaT.

(W3M:Va^l-4^K^ffiR^,

.‘.a+1—4/?=0

M,Wa-4Z?=-1

2(è-2tz+10)+7(a-2Z?-3)

=2Z?—4?+20+7<7—14/?—21

=3?-12/?-l

=3(?-4/?)-l

=3x(—1)—1

=-4

éfciaA.

[?1

et.

6>B

[iWlM:è?O:a+b=O,xy=l.

:.2\a+b\-2xy=0-2=—2,

M

[?]

7.C

L^tffl^12??^^axlO''éKj^,l<|a|<10,n^W.ta?ntfjW,

nftO.

[W]M:6924286.92x107.

&&-.C.

^ia^?iaü^M^axlO"^^,X+l<|a|<10,n?,

jEMgaMSnfiflt.

8.D

(W1)S:A.MMSfefflM?EMffi?faJs?Xt?,

ifà&:D.

[artl

*?±M??E##?WF?,

9,B

[Mffi]T?WHfr:ZABD=45°,ZDBC=90°,HlJZABC=45o+90°=135°,ift&B.

10,B

[WMlM:VZAOB=ZCOD=90°,

.'.ZAOC+ZBOC=90°,ZBOD+ZBOC=90°,

.*.ZAOC=ZBOD,

B.

[aBf]

11,A

[#tfrJ^^?|s]^èùm?WapnT.

2

[WM]A.^^abc^M4,^1E^;

B.??ifê;

C.-3x2y^7yx2^^,Oh

D.^^2x2-yOft;

A.

[?]

R^win,M,m,

12,C

[MtfrlAfé^,-(-l)=l,l>OC;Bféi￡,|-l|=l,l>OüCOb(-1)3=-1,-l<?;De^,(-l)2=h

iMOr.Wfcc.

-,?s???4#,W2o^,^￡?a^?*s±>

13,1

[1OT^?r:x=2ftAMIiiiJ-'biTaMM,BPRT^WaM<.

jEx=2ftàm4+a-9=0,

f?W:a=l.

1.

-x-ftMMM.

14,1

[W1MiIBPnT^iJ?r^lfc.

rwm

-sfé^^ra#,

)Or2ft,-??22=4ft.?r?4-1=3^;

#??3&,23=8^?#T<>?8-1=7&;

.?.$f?r5&,-W&M25=32>,o?32-1=1&.

1.

[?B#1

*???raf??,

15,1

[^?tfrl^MAM?^MBpnT.

':OA^^^32°,OB^^-^ST,

:.ZAOB=(90°-32°)+(90°-57°)=58°+33°=l°,

ite^^Jl.

[?]

i?nH?teilRi?.

2

16,ab

ab2

[?]

(￡)

‘W￥da^W￡3PW(Z)

:JadafR?D^K^^^VW?(i)[W1

?'61

TOW?-￥~mWll?

[WJ

99=x

9

--n=x

l

9

H=x-

I

9

n=x-_x(l)[^]

■iWiüdai<z)

5^XsdaiCTWW￥(?)[4HH

1=X(Z):99=x(I)'81

(WOm?i35'H

[W]

?JadaSftSx^OT^WMWWàhè.ùhk&l[im

'ZI

IMI

<7=0

20,(1)x=—3;(2)

[##T1(1)BOê-Tü-^BW-??:M,1Otf+ffBPw.

(2)W^Bmap^M.

3Y—1

[W]M:(1)—----2x=l

2

3x-l-4x=2

3x—4x=2+l

36+ci+5—3Z?+4+1

(2)è?>W:

36+4+1=l+(-2a)+5

MM:

21,(1)-1(2)-8-

3

L^tfrl(i)lM5￡?jOm￡,MT+Min?apnrMSiJ^M;

(2)isffl^^E?aw^apnr^gj^M.

2>|-(-12)+(-4)

[WMlM:(1)42X3J

2

=42X(--)X--3

37

=-8-3

=-1.

7718

(2)[--

2737

7

=(-+-K

9277

77718

=-X(-1?—X(-1*

9727737

2

=-2--------6

3

2

=-8-.

3

22.?x=-4;?x=3

[##T1M.^#[41^.1.

[W1fêh?3(x+l)-2(x+2)=2x+3

3x+3-2x-4=2x+3

—x=4

x=

D—----------=