1000b tran hung dao - tp quy nhon - tinh binh dinh
TRANSCRIPT
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7/28/2019 1000B TRAN HUNG DAO - TP QUY NHON - TINH BINH DINH
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TRNG THPT CHUYN H NI AMSTERDAM
T TON TIN---------***---------
THI HC K 2 MN TON LP 10NM HC 2011 2012
Thi gian lm bi: 120 pht------------*****------------
Bi 1: (22)Gii bt phng trnh:
+ 4 + 1 3. + 5 + 2 < 6Bi 2:(22) Gii h bt phng trnh:
+3 +2
+ 5 0
1+ 2 + 23 5
Bi 3: (22)
a) Cho tan = . Tnh sin + ?b) Xt dng tam gic ABC tha mn iu kin:
sin costan
sin cos
A BA
B A
+=
+?
Cu 4: (43) Trong mt phng ta Oxy cho im 1;2 v ng thng (d) cphng trnh: 3 4 + 2 = 0.a) Vit phng trnh ng trn (C) qua im v tip xc vi (d) ti im2;1. Xc nh ta tm I v bn knh ca (C)b) Tim P nm trn ng thng = ta k cc tip tuyn PA, PB n ng trn(C), vi A v B l cc tip im. Tm im P sao cho t gic PAIB l hnh vung?
Cu 5:(1 )Dnh cho cc lp 10T 2, 10 L1, 10 L2, 10 H1, 10 H2, 10 Tin, 10 Sinh.
Gii bt phng trnh:1
1
3
11
2 2
>
x
x
x
---------------- HT ----------------
Thang im: Cc lp c phi lm Cu 5 theo thang im ct sau:2+2+2+3+1.
Cc lp cn li theo thang im ct u: 2+2+2+4.
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