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1、12999 数学网 12999 数学网-免费课件、教案、试题下载1.对于反比例函数y=x5,下列结论中正确的是()A.y 取正值B.y 随 x 的增大而增大C.y 随 x 的增大而减小D.y 取负值2.下列各点中,在双曲线xy2上的是()A.(1,2)B.(2,2)C.(4,2)D.(0,2)3.下列函数中,图象经过点(11),的反比例函数解析式是()A1yxB1yxC2yxD2yx4.函数xky的图象经过点(-4,6),则下列个点中在xky图象上的是()A.(3,8)B.(-3,8)C.(-8,-3)D.(-4,-6)5.在下图中,反比例函数xky12的图象大致是()6.已知反比例函数xky
2、的图象在第二、第四象限内,函数图象上有两点A(72,y1)、B(5,y2),则 y1与 y2的大小关系为()。A、y1y2B、y1y2C、y1y2D、无法确定7.函数 y=mx922mm的图象是双曲线,且在每个象限内函数值y 随 x 的增大而减小,则m 的值是()A.2 B.4 C.4 或 2 D.1 8.若反比例函数y=xk的图象经过点(2,4),那么这个函数是()A.y=x8B.y=8xC.y=x8D.y=8x9.反比例函数xmy5的图象的两个分支分别在二、四象限内,那么m 的取值范围是A.0mB.0mC.5mD.5m10.如图,反比例函数kyx的图象经过点A,则k的值是是()A.2 B.
3、1.5 C.3D.32第 10 题图12999 数学网 12999 数学网-免费课件、教案、试题下载11.(08 甘肃省兰州市)若反比例函数kyx的图象经过点(3)mm,其中0m,则此反比例函数的图象在()A第一、二象限B第一、三象限C第二、四象限D第三、四象限12(08 泸州市)对于反比例函数2yx,下列说法正确的是()A点2,1在它的图像上B它的图像经过原点C它的图像在第一、三象限D当0 x时,y随 x 的增大而增大13、反比例函数xy3的图像在第象限,在它的图像上y 随 x 的减小而;反比例函数xy2的图像在第象限,在它的图像上y 随x 的增大而;14.如果点(a,3a)在双曲线y=xk
4、上,那么k_0.15.(08 四川省资阳市)若 A(1x,1y)、B(2x,2y)在函数12yx的图象上,则当1x、2x满足_时,1y2y.16、在ABC的 三 个 顶 点(23)(45)(3 2ABC,中,可 能 在 反 比 例 函 数(0)kykx的图象上的点是17.已知(11,yx)、(22,yx)为反比例函数xky图象上的点,当2121,0yyxx时,则k的一个值为(只符合条件的一个即可).18.近视眼镜的度数y(度)与镜片焦距x(米)成反比例,已知400 度近视眼镜镜片的焦距为 0.25 米,则眼镜度数y与镜片焦距x 之间的函数关系式为三、已知反比例函数)0(kxky1、填表:x-6
5、-5-4-3-2-1 1 2 3 4 5 6 xky1-4 2、根据你所学的知识写出这个反比例函数的关系式画出她的图像文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8
6、ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z
7、2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文
8、档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL
9、2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N
10、10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 H
11、N3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I312999 数学网 12999 数学网-免费课件、
12、教案、试题下载文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I
13、3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:
14、CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I
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16、 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X1
17、0Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3文档编码:CL2Z9I8N10V4 HN3X10Q8H2U8 ZP1O8Z2U9I3
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