2016中考数学一次函数与反比例函数的综合运用复习.pdf

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1、2016 中考数学一次函数与反比例函数的综合运用复习本专题是对一次函数与反比例函数的综合问题进行复习与深化，这类综合题考查的知识点多，能力要求强.试题呈现形式活泼多样，既有一次函数、反比例函数与代数的综合又有与空间几何的综合.解决这类问题首先要理清头绪，挖掘题目中的已知条件和隐含条件，根据实际问题情境或图象列出相应关系式，从而建立函数模型.例 1(2015成都)如图，一次函数 y=kx+5(k 为常数，且 k0)的图象与反比例函数y=-的图象交于 A(-2,b)，B两点.(1)求一次函数的表达式；(2)求 B点的坐标.针对训练1.(2014菏泽)如图，在平面直角坐标系xOy中，已知一次函数 y

2、kx+b 的图象经过点 A(1，0)，与反比例函数 y(x 0)的图象相交于点 B(2，1).8xmx(1)求 m的值和一次函数的解析式；(2)结合图象直接写出：当x0 时，不等式 kx+b的解集.2.(2014广州)已知一次函数 y=kx-6 的图象与反比例函数y=-的图象交于 A、B 两点，点 A 的横坐标为 2.(1)求 k 的值和点 A的坐标；(2)判断点 B的象限，并说明理由.3.(2014白银)如图，在直角坐标系xOy中，直线 y=mx与双曲线 y=相交于 A(-1，a)、B两点，BCx 轴，垂足为 C，AOC 的面积是 1.mx2kxnx文档编码:CZ8P7G8G1N9 HY6Z

3、10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6

4、Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY

5、6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 H

6、Y6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9

7、HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9

8、 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N

9、9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7(1)求 m、n 的值；(2)求直线 AC的解析式.4.(2014宜宾)如图，一次函数 y=-x+2 的图象与反比

10、例函数y=-的图象交于 A、B两点，与 x 轴交于 D点，且 C、D两点关于 y 轴对称.(1)求 A、B两点的坐标；3x文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L

11、10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10

12、L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z1

13、0L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z

14、10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6

15、Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY

16、6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 H

17、Y6Z10L10E1L10 ZE6Q2B8X7P7(2)求ABC 的面积.5.(2014甘孜)如图，在 AOB 中，ABO 90，OB 4，AB 8，反比例函数y=在第一象限内的图象分别交 OA，AB于点 C和点 D，且 BOD 的面积 SBOD4.(1)求反比例函数解析式；(2)求点 C的坐标.kx文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6

18、Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY

19、6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 H

20、Y6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9

21、HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9

22、 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N

23、9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1

24、N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P76.(2014资阳)如图，一次函数 y=kx+b(k 0)的图象过点 P(-，0)，且与反比例函数y=(m0)的图象相交于点 A(-2,1)和点 B.(1)求一次函数和反比例函数的解析式；(2)求点 B的坐标，并根据图象答复：当x 在什么范围内取值时，一次函数的函数值小于反比例函数的函数值？32mx文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6

25、Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE

26、6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 Z

27、E6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10

28、ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10

29、 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L1

30、0 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L

31、10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7参考答案1.(1)把点 B(2，1)代入 y，得 m 12=2.一次函数 ykx+b 的图象经过点 A(1，0)，B(2，1),解得一次函数的

32、解析式为yx-1.(2)x 2.2.(1)当 x=2 时，y=kx-6=2k-6，y=-=-k.由题意，得 2k-6=-k.解得 k=2.故一次函数解析式为y=2x-6，反比例函数解析式为y=-.A(2，-2).(2)B 点在第四象限，理由如下：一次函数 y=2x-6 经过第一、三、四象限，反比例函数经过第二、四象限，因此它们的交点都是在第四象限.3.(1)直线 y=mx与双曲线 y=相交于 A(-1，a)、B两点，B点横坐标为 1，即 C(1，0).mx0,12.kbkb1,1.kb2kx4xnx文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:

33、CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码

34、:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编

35、码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档

36、编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文

37、档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7

38、文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P

39、7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7AOC 的面积为 1，A(-1，2).将 A(-1，2)代入 y=mx，y=可得m=-2，n=-2.(2)设直线 AC的解析式为 y=kx+b，y=kx+b 经过点 A

40、(-1，2)、C(1，0)，解得直线 AC的解析式为 y=-x+1.4.(1)根据题意得解方程组得或A(-1，3)，B(3，-1).(2)把 y=0 代入 y=-x+2 得-x+2=0，解得 x=2，D(2，0).C、D两点关于 y 轴对称，C(-2，0)，SABC=SACD+SBCD=(2+2)3+(2+2)1=8.5.(1)由 SBOD 4，得 k8.nx20.kbkb，11.kb，23yxyx1,3xy3,1.xy1212文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7

41、P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X

42、7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8

43、X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B

44、8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2

45、B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q

46、2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6

47、Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7反比例函数解析式为y=.(2)OB 4，AB 8，ABO 90，A点坐标为(4，8).设直线 AO的解析式为 ykx，则 4k8，解得 k2.即直线 AO的解析式为 y2x.联立方程组：解得或(舍去)点 C的坐标为(2，4).6.1函数 y

48、=kx+b 图象过点 P(-，0)和点 A(-2，1)，解得一次函数的解析式为y=-2x-3.又反比例函数的图象过点A(-2，1)，=1，即 m=-2.故反比例函数的解析式为y=-.8x82.yxyx，1124xy，2224.xy，3230,221.kbkb2,3.kb2m2x文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10

49、ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10

50、 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L10 ZE6Q2B8X7P7文档编码:CZ8P7G8G1N9 HY6Z10L10E1L1