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1、。-可编辑修改-平面直角坐标系预习稿(认真记一记)1、在平面内,两条互相垂直且有公共原点的数轴组成了平面直角坐标系;2、坐标平面上的任意一点P 的坐标,都和惟一的一对有序实数对(ba,)一 一对应;其中,a为横坐标,b为纵坐标坐标;3、x轴上的点,纵坐标等于0;y轴上的点,横坐标等于0;坐标轴上的点不属于 任何象限;4、四个象限以及坐标轴上的点的坐标具有如下特征:象限横纵坐标符号(a,b)图象第一象限(,)a0,b0 第二象限(,)a0,b0 第三象限(,)a0,b0 第四象限(,)a0,b0 x 轴上正半轴(,0)负半轴(,0)y 轴上正半轴(0,)负半轴(0,)原点(0,0)小结:(1)点
2、 P(yx,)所在的象限横、纵坐标x、y的取值的正负性;(2)点 P(yx,)所在的数轴横、纵坐标x、y中必有一数为零;5、在平面直角坐标系中,已知点P),(ba,则(1)点 P 到x轴的距离为b;(2)点 P 到y轴的距离为a;(3)点 P 到原点 O 的距离为PO22ba6、平行直线上的点的坐标特征:a)在与 x 轴平行的直线上,所有点的 纵坐标相等;点 A、B 的纵坐标都等于m;P(ba,)abxyO-3-2-1 0 1 a b 1-1-2-3 P(a,b)Y x X Y A B mab。-可编辑修改-b)在与y轴平行的直线上,所有点的横坐标相等;点 C、D 的横坐标都等于n;7、对称点
3、的坐标特征:a)点 P),(nm关于x轴的对称点为),(1nmP,即横坐标不变,纵坐标互为相反数;b)点 P),(nm关于y轴的对称点为),(2nmP,即纵坐标不变,横坐标互为相反数;c)点 P),(nm关于原点的对称点为),(3nmP,即 横、纵坐标都互为相反数;关于 x 轴对称关于 y 轴对称关于原点对称8、两条坐标轴夹角平分线上的点的坐标的特征:a)若点 P(nm,)在第一、三象限的角平分线上,则nm,即 横、纵坐标相等;b)若点 P(nm,)在第二、四象限的角平分线上,则nm,即 横、纵坐标互为相反数;在第一、三象限的角平分线上在第二、四象限的角平分线上9、用坐标表示平移(1)点的平移
4、:在平面直角坐标系中,将点(x,y)向右或向左平移a 个单位长度,可以得到对应点(xa,y)或(xa,y);将点(x,y)向上或向下平移b 个单位长度,可以得到对应点(x,yb)或(x,yb)。由上可归纳为:X Y C D nX y P 1PnnmO X y P 2PmmnO X y P 3PmmnO nX y P mnO y P mnO X 文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码
5、:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10
6、 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5
7、ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档
8、编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R
9、10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J
10、5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1
11、文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1。-可编辑修改-在坐标系内,左右平移的点的坐标规律:x 的值:左减右加;在坐标系内,上下平移的点的坐标规律:y 的值:上加下减;在坐标系内,平移的点的坐标规律:沿x 轴平移 纵坐标不变,沿 y 轴平移 横坐标不变文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5
12、ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档
13、编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R
14、10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J
15、5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1
16、文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R
17、3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B
18、5J5 ZV5L5A2Q3D1。-可编辑修改-THANKS!致力为企业和个人提供合同协议,策划案计划书,学习课件等等打造全网一站式需求欢迎您的下载,资料仅供参考文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R
19、10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J
20、5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1
21、文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R
22、3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B
23、5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1文档编码:CO2R3R4R3R10 HP1X4V4B5J5 ZV5L5A2Q3D1
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