ǰλãҳ > [中考]浙江湖州20022013年中考数学试题分类解?专题 06 函数的图像与性质.doc - 百度文库
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1. 2002㽭3֣֪y=kxͼP12kֵǡ A2 B11 C2 D? 222. 2002㽭3֣֪y?x2?bx?cc0㣨c0ԸΪΪSSɱʾΪ ?1?c?112A2?bb?1 Bc?1?c? C?b?1? D 4223 c2?bc?c?0c?c?b?1??0 c0c??b?1y?x2?bx?cɻΪy?x2?bx?b?1 x1x2һԪηx2?bx?b?1?0
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11x1?x2?c=2?bb?1ѡA 223. 2003㽭3֣y?2(x?1)2?1Ķǡ
A11 B11 C11 D11
4. 2004㽭3֣y?2?x?3?Ķڡ A. һ B. ڶ C. x D. y
2
5. 2004㽭3֣֪ߺֱlͬһֱϵеͼͼʾߵĶԳΪֱx=1P1x1y1P2x2y2ϵĵ㣬P3x3y3ֱlϵĵ㣬ң1x1x2x31y1y2y3ĴСϵΪ
A. y1y2y3 B. y3y1y2 C. y3y2y1 D. y2y1y3
6. 2005㽭3֣ͼͼֱӦĽʽǢy=axy=bxy=cx
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http://884400.taobao.com----Լ۱ȵСѧƷԴ abcĴСϵǡ
Aabc
Bcba Cbac
Dbca
7. 2005㽭3֣֪κy?ax2?bx?cͼͼʾڡa0b
0c0
b24ac0ȷжǡ
A٢ڢۢ
B
C٢ڢ
D٢ڢ
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8. 2006㽭3֣y?kֵΪ A3 B3 C k?k?0?ͼ㣨13
x1313D 9. 2006㽭3֣֪һκy=kx+bkbdzk0xyIJֶӦֵ± ʾôʽkx+b<0Ľ⼯ǡ x y Ax<0 Bx>0 2 3 1 2 0 1 1 0 2 1 Dx>1 3 2 Cx<1 10. 2007㽭3֣ĸУ˫y?2ϵĵǡ xA(11) B(12) C(12) D(12) 𰸡D 㡿ϵ뷽̵Ĺϵ
ݵϣ㷽̵Ĺϵֱ飬ֻ(12)y?2ѡD x11. 2010㽭3֣ͼֱ֪AOBCУACOBCBOBOB
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