如图,在直角坐标系中,抛物线y=ax^2+bx+c(a不等于0)与x轴交于点A(-1,0),B(3,0)两点,交y轴于C(0,3)1若CD垂直CA交抛物线于D,求点D的坐标.2在抛物线上的对称轴是否存在点M,使S三角形PAM=2S三角形PAC,求出
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 18:35:37
![如图,在直角坐标系中,抛物线y=ax^2+bx+c(a不等于0)与x轴交于点A(-1,0),B(3,0)两点,交y轴于C(0,3)1若CD垂直CA交抛物线于D,求点D的坐标.2在抛物线上的对称轴是否存在点M,使S三角形PAM=2S三角形PAC,求出](/uploads/image/z/5291950-22-0.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax%5E2%2Bbx%2Bc%28a%E4%B8%8D%E7%AD%89%E4%BA%8E0%29%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9A%28-1%2C0%29%2CB%283%2C0%29%E4%B8%A4%E7%82%B9%2C%E4%BA%A4y%E8%BD%B4%E4%BA%8EC%EF%BC%880%2C3%EF%BC%891%E8%8B%A5CD%E5%9E%82%E7%9B%B4CA%E4%BA%A4%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%BA%8ED%2C%E6%B1%82%E7%82%B9D%E7%9A%84%E5%9D%90%E6%A0%87.2%E5%9C%A8%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8A%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4%E6%98%AF%E5%90%A6%E5%AD%98%E5%9C%A8%E7%82%B9M%2C%E4%BD%BFS%E4%B8%89%E8%A7%92%E5%BD%A2PAM%3D2S%E4%B8%89%E8%A7%92%E5%BD%A2PAC%2C%E6%B1%82%E5%87%BA)
xSMOW+#T GIe%K]ujfܘ+ 5bP$ ;Xfy`lXD]Tesύnӽݪw|.Gmy@;:·Q6u=[qnV
^-&G$"A]*ɋΜHμ=zL%TM&BX8% SC/?!8u"ޠ{`5Q:M{ݜgt_fiM~L܊~j}!A~xv<{g@pLm`bz: XD6715=
=;3oN~ȎS/TXoɨ(
IP$1,bD4ÌXQU5UK$Ec1A,)FT"eFq+6l1%3T1lX7R4Ո3t]2$IT-%ˡ)Vo 9_'+ 2J /&pV:Gt`mgR$\Vx) %obvfq
Y~y&|n~}P4+h %2@!aFH
U>(,),Hs';Ǭ嵯0& |H"!V;+gXW@(9OTfAiq.4,RS'{~!ǥY\&L$OGSK\#gƠBƉ׀'*|\+{=dI|n21[6͢}rYO7L8Vb 08<;&