如图,在平面直角坐标系中,点A坐标为(-2,0),点B坐标为(0,2),点E为线段AB上的动点(点E不与点A,B重合),以E为顶点作∠OET=45°,射线ET交线段OB于点F,C为y轴正半轴上一点,且OC=AB,抛物线y=x2+mx+n的图象
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 17:07:20
![如图,在平面直角坐标系中,点A坐标为(-2,0),点B坐标为(0,2),点E为线段AB上的动点(点E不与点A,B重合),以E为顶点作∠OET=45°,射线ET交线段OB于点F,C为y轴正半轴上一点,且OC=AB,抛物线y=x2+mx+n的图象](/uploads/image/z/14795367-15-7.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E7%82%B9A%E5%9D%90%E6%A0%87%E4%B8%BA%28-2%2C0%29%2C%E7%82%B9B%E5%9D%90%E6%A0%87%E4%B8%BA%EF%BC%880%2C2%EF%BC%89%2C%E7%82%B9E%E4%B8%BA%E7%BA%BF%E6%AE%B5AB%E4%B8%8A%E7%9A%84%E5%8A%A8%E7%82%B9%28%E7%82%B9E%E4%B8%8D%E4%B8%8E%E7%82%B9A%2CB%E9%87%8D%E5%90%88%29%2C%E4%BB%A5E%E4%B8%BA%E9%A1%B6%E7%82%B9%E4%BD%9C%E2%88%A0OET%3D45%C2%B0%2C%E5%B0%84%E7%BA%BFET%E4%BA%A4%E7%BA%BF%E6%AE%B5OB%E4%BA%8E%E7%82%B9F%2CC%E4%B8%BAy%E8%BD%B4%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94OC%3DAB%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dx2%2Bmx%2Bn%E7%9A%84%E5%9B%BE%E8%B1%A1)
xVKOW+WBB3p{Ǝ la9]ĂTHauKFM%J6JR^6$Z!FOAb_9ΌǔE{;ӛ3BCf]8sV̭ek;c^#jO_QB"%j6L^paW 5*SOh?L:3胙pf@F[?OPk`>np
udϡ6yrɹfl:X1 ҰN]m25cgЩm+\)~[݄"d\9s^9,uvN]kX=0Q