已知抛物线y=ax^2+bx+c(a不等于0)过点A(-3,0),B(1,0),C(0,3)三点(1)求该抛物线的函数关系式;(2)若该抛物线的顶点为P,连接PA,AC,CP,求△PAC的面积;(3)过点C作y轴的垂线,交抛物线于点D,连接PD,BD,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 00:22:09
![已知抛物线y=ax^2+bx+c(a不等于0)过点A(-3,0),B(1,0),C(0,3)三点(1)求该抛物线的函数关系式;(2)若该抛物线的顶点为P,连接PA,AC,CP,求△PAC的面积;(3)过点C作y轴的垂线,交抛物线于点D,连接PD,BD,](/uploads/image/z/10364405-5-5.jpg?t=%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax%5E2%2Bbx%2Bc%28a%E4%B8%8D%E7%AD%89%E4%BA%8E0%29%E8%BF%87%E7%82%B9A%28-3%2C0%29%2CB%281%2C0%29%2CC%280%2C3%29%E4%B8%89%E7%82%B9%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%A5%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F%EF%BC%9B%EF%BC%882%EF%BC%89%E8%8B%A5%E8%AF%A5%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E9%A1%B6%E7%82%B9%E4%B8%BAP%2C%E8%BF%9E%E6%8E%A5PA%2CAC%2CCP%2C%E6%B1%82%E2%96%B3PAC%E7%9A%84%E9%9D%A2%E7%A7%AF%EF%BC%9B%EF%BC%883%EF%BC%89%E8%BF%87%E7%82%B9C%E4%BD%9Cy%E8%BD%B4%E7%9A%84%E5%9E%82%E7%BA%BF%2C%E4%BA%A4%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%BA%8E%E7%82%B9D%2C%E8%BF%9E%E6%8E%A5PD%2CBD%2C)
x_OPƿl[ϟdthNiTdWlE!67I(ڎ}OHLt;7ӧyk1'ՎT\毣3?]}vZ<J_ p]-UQF_Tb}<<:n,HH;w.HO v:Ǜni'd$%aZ=H
_r{W9O/nnu7Ԯo4gD6!'9#_{ft_J}ic