反比例函数应用反比例函数与一次函数综合汇编.pdf
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1、7.若反比例函数y=xk经过点(1,2),则一次函数y=kx+2 的图象一定不经过第_象限.如图,直线yxb与双曲线1yx(0)x交于点 A,与 x 轴交于点 B,则 OA2-OB2=_8.如图,在直角坐标系中,直线 y=6-x 与函数 y=x4(x0)的图像相交于点A、B,设点 A 的坐标为(x1,y1),那么长为x1,宽为 y1 的矩形面积和周长分别为()A 4,12 B8,12 C4,6 D8,6 1若直线 ykxb 经过第一、二、四象限,则函数xkby的图象在()(A)第一、三象限(B)第二、四象限(C)第三、四象限(D)第一、二象限16(2010 湖北省咸宁市)如图,一次函数yaxb
2、的图象与x轴,y轴交于 A,B 两点,与反比例函数kyx的图象相交于C,D 两点,分别过C,D 两点作y轴,x 轴的垂线,垂足为E,F,连接 CF,DE有下列四个结论:CEF 与 DEF 的面积相等;AOB FOE;DCE CDF;ACBD其中正确的结论是(把你认为正确结论的序号都填上)4、函数xky的图象经点(1,2),则函数1kxy的图象不经过()第一象限第二象限第三象限第四象限设双曲线y=xk与直线 y=-x+1 相交于点A、B,O 为坐标原点,则AOB是()A锐角B直角C钝角D锐角或钝角y x D C A B O F E(第 16 题)10、反比例函数xky和一次函数y=kx-k 在同
3、一直角坐标系中的图象大致是()1(2010 山东青岛市)函数yaxa与ayx(a0)在同一直角坐标系中的图象可能是()ABCD13.在同一直角坐标系内,如果将直线y=x+1 沿 y 轴向上平移2 个单位后,那么所得直线与函数y=x2的图象的交点共有几个?14.已知反比例函数y=xk的图象经过点A(4,21),若一次函数y=x+1 的图象平移后经过该反比例函数图象上的点B(2,m),求平移后的一次函数图象与x 轴的交点坐标.17、如图 1719 所示,已知直线y1=x+m 与 x 轴、y 轴分别交于点A、B,与双曲线y2=xk(ky2.图 1719 O x y A O x y B O x y C
4、 O x y D x Oy x y Oy x Oy x O文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC
5、10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W
6、3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF
7、9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10
8、T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 H
9、D10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2
10、M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编
11、码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3如图,已知:一次函数:4yx的图像与反比例函数:2yx(0)x的图像分别交于A、B 两点,点 M 是一次函数图像在第一象限部分上的任意一点,过M 分别向 x 轴、y 轴作垂线,垂足分别为M1、M2,设矩形 MM1OM2的面积为S1;点 N 为反比例函数图像上任意一点,过N 分别向 x 轴、y 轴作垂线,垂足分别为N1、N2,设矩形NN1ON2的面积为S2;(1)若设点 M 的坐标为(x,y),请写出S1关于 x 的函数表达式,并求x 取何值时,S1的最大值;(2)观察图形,通过确定x 的取值,试比较S1、S2的大
12、小2、(2009 年北京市中考)17如图,A、B 两点在函数xmy(x 0)的图象上(1)求 m 的值及直线AB 的解析式;(2)如果一个点的横、纵坐标均为整数,那么我们称这个点是格点请直接写出图中阴影部分(不包括边界)所含格点的个数2已知一次函数bkxy的图像与反比例函数xy8的图像交于A、B 两点,且点 A 的横坐标和点 B 的纵坐标都是2,求(1)一次函数的解析式;(2)AOB 的面积文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2
13、W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC
14、10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W
15、3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF
16、9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10
17、T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 H
18、D10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2
19、M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W32、如图:已知一次函数(0)ykxb k的图象与x 轴、y 轴的交点分别为A、B两点。且与反比例函数(0)mymx的图象在第一象限交于点C,CD垂直于 x 轴,垂足为D,若 OA=O
20、B=OD=l.(1)直接写出点A、B、D的坐标 (2)求一次函数和反比例函数的解析式,并写出在第一象限中使一次函数的值大于反比例函数值的x 的取值范围 (3)在此反比例函数的各个分支上是否存在点E使以点 A、B、O、E为顶点的四边形为梯形,若存在,请求出点E的坐标;若不存在,说明理由?5、(10 分)如图,RtABO 的顶点 A 是双曲线xky与直线)(1kxy在第二象限的交点,ABx 轴于 B,且 SABO23(1)求这两个函数的解析式;(2)求直线与双曲线的两个交点A、C 的坐标和 AOC 的面积。x y A B C O 文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 Z
21、F9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K1
22、0T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7
23、HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T
24、2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档
25、编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6P2D8W3文档编码:CC10T2M3Y2W7 HD10M8K10T1K10 ZF9Y6
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