已知x轴上有两点a(x1.0) b(x2.0) (x1<x2) 且x1.x2是方程x^2-2x-3=0的两个实数根,点C坐标为(0.2)1)分别求出AC,BC的解析试.已求出!(3)在直线BC上找一点F,若S△ABF=3S△ABC,求点F的坐标(2)如果平行X轴的动
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 23:18:07
![已知x轴上有两点a(x1.0) b(x2.0) (x1<x2) 且x1.x2是方程x^2-2x-3=0的两个实数根,点C坐标为(0.2)1)分别求出AC,BC的解析试.已求出!(3)在直线BC上找一点F,若S△ABF=3S△ABC,求点F的坐标(2)如果平行X轴的动](/uploads/image/z/5937682-58-2.jpg?t=%E5%B7%B2%E7%9F%A5x%E8%BD%B4%E4%B8%8A%E6%9C%89%E4%B8%A4%E7%82%B9a%28x1.0%29+b%28x2.0%29+%28x1%26lt%3Bx2%29+%E4%B8%94x1.x2%E6%98%AF%E6%96%B9%E7%A8%8Bx%5E2-2x-3%3D0%E7%9A%84%E4%B8%A4%E4%B8%AA%E5%AE%9E%E6%95%B0%E6%A0%B9%2C%E7%82%B9C%E5%9D%90%E6%A0%87%E4%B8%BA%280.2%291%29%E5%88%86%E5%88%AB%E6%B1%82%E5%87%BAAC%2CBC%E7%9A%84%E8%A7%A3%E6%9E%90%E8%AF%95.%E5%B7%B2%E6%B1%82%E5%87%BA%21%EF%BC%883%EF%BC%89%E5%9C%A8%E7%9B%B4%E7%BA%BFBC%E4%B8%8A%E6%89%BE%E4%B8%80%E7%82%B9F%2C%E8%8B%A5S%E2%96%B3ABF%3D3S%E2%96%B3ABC%2C%E6%B1%82%E7%82%B9F%E7%9A%84%E5%9D%90%E6%A0%87%282%29%E5%A6%82%E6%9E%9C%E5%B9%B3%E8%A1%8CX%E8%BD%B4%E7%9A%84%E5%8A%A8)
xU]OG+4R"[3᭽D`[$/vv%7OV
jGJR'Bؘo,s9sw6co~kj_-zՍT͌RE{h/,ݙH8U=K{b=~c؍5CW XixzqT)6SOik=UZ{@o}tr4KNluY;($ O~_<2{ȻFpmMkvzR:v^1%E^$!#E7!_q?5nFPf^uo<9q7}q6ӭK{vxUXaSlMyM$L璇9!T뎙W_a}'2LL>E;>͍O_ŭ7#YJUt!1=f$glEmY (:mbDNFDTV,94tDH"&$Lf_JR\d%vrIeMTS8T0 vI.9g%=KHlc+XZ)NP*1#9]
X*"YrBNXTuDjyA.