2020-2021學(xué)年浙教版九年級(jí)上冊(cè)數(shù)學(xué)期末復(fù)習(xí)試卷

222222學(xué)年浙教新版九級(jí)上冊(cè)數(shù)學(xué)末復(fù)習(xí)試一選題共10小題，分分每題3分yx+12A2B1D2124A

B

C

DA5

B

C3Deq\o\ac(△,Rt)ABCCAC2A

B

C

Dy1

+2AB1yC1D12A1cm3C16cm

B1cm6cmD6cmyx2①y②4③x23④yx+byx2|x3A1B2

b3C3D4ADABC20AB+BDACADBACEAED

A80

B60

C40

D301400aaA1

B2

D10eq\o\ac(△,Rt)DCDBCDABGDF①

②DAF

AB③BCDDB④

S

△

9S

BDFA①②

B③

C①②③

D①③④二填題共6小，滿(mǎn)24分，小分11sin30cot60121513APBP

14AB120D

222222151016yx3m+2+AAxBCAC

三解題共7小，滿(mǎn)66分）17yx

x18H1HN1219

eq\o\ac(△,t)AACcmBAACE/sDcms20AB

22222221⊙O16OCABD

DFABEF1EF2EOC①CD②+22xOyxmxm12A0ABm23⊙OACABBC⊙ODEDEABFAEBDG12EBDED

3BO2

2222參考答案試題解析一選題共10小題，分分每題3分y+12x1y2

最小3455Cbb5eq\o\ac(△,Rt)ABC90A

y1AxBx12DD43B16C36D36a22|

222222222222222222222222yx

xy①②yx2|x124x1②③4x2|22|4x2x14③④yx+byxxx2|x3xbx2|xb03x3xxx0xx30+0x0xx0+3b0

x3xx+b0x0

b④

b+yx2|BDAB+ABBDDEECAEDEDC+40

Ceq\o\ac(△,Rt)ABCACB90sinαcos

|sinaa

2

2S

小正方形

k

5大正方形

直角三角形

S大正方形

小正方形

k

110AGAFGCFBAB

①1+31+43BCD

BDFBDFABGASAAGBDADAGAD

AGADABBCAFGFC2AFAC

AB②BCDABCCDBCDBGCDDFDB③

BD

AC

△

S

△

△

S

△

△

BDF

S

△

eq\o\ac(△,S)

△

BDF④C二填題共6小，滿(mǎn)24分，小分11

123000013PABAP

14EEFEFEF180CDEFBED+9595

222215ACBD⊙OOEFOEACACBDOFBDBFBD8eq\o\ac(△,Rt)AOEOE8OFOEOF6②ACBD⊙O②ACBD⊙OEF8+614216x3+m+2nx3x21C6

2222三解題共7小，滿(mǎn)66分）17y++x+1x2182PAA19

16ADABDB82AE4DAECAB0.8DAEBAC

2s220ADBCDeq\o\ac(△,Rt)ABDsinADsinB4

2

2

21OD⊙O1628DEDFOFDEOD2①EDODOE②CO⊙ODGABPPC+PDDG

PD

222222222222222222222222yx

2+mxm

1m12A3y2mx131mB23y2mx+m322m1m402231