抛物线y=1/2x²-x+a与x轴交于点A、B,与y轴交于点C,其顶点在直线y=-2x上(1)求a的值;(2)求A、B两点的坐标;(3)以AC、CB为一组邻边作平行四边形ABCD,则点D关于x轴的对称点D1是否在该抛物
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 05:01:22
![抛物线y=1/2x²-x+a与x轴交于点A、B,与y轴交于点C,其顶点在直线y=-2x上(1)求a的值;(2)求A、B两点的坐标;(3)以AC、CB为一组邻边作平行四边形ABCD,则点D关于x轴的对称点D1是否在该抛物](/uploads/image/z/1660679-71-9.jpg?t=%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D1%2F2x%26%23178%3B-x%2Ba%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9A%E3%80%81B%2C%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9C%2C%E5%85%B6%E9%A1%B6%E7%82%B9%E5%9C%A8%E7%9B%B4%E7%BA%BFy%3D-2x%E4%B8%8A%EF%BC%881%EF%BC%89%E6%B1%82a%E7%9A%84%E5%80%BC%EF%BC%9B%EF%BC%882%EF%BC%89%E6%B1%82A%E3%80%81B%E4%B8%A4%E7%82%B9%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%9B%EF%BC%883%EF%BC%89%E4%BB%A5AC%E3%80%81CB%E4%B8%BA%E4%B8%80%E7%BB%84%E9%82%BB%E8%BE%B9%E4%BD%9C%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%2C%E5%88%99%E7%82%B9D%E5%85%B3%E4%BA%8Ex%E8%BD%B4%E7%9A%84%E5%AF%B9%E7%A7%B0%E7%82%B9D1%E6%98%AF%E5%90%A6%E5%9C%A8%E8%AF%A5%E6%8A%9B%E7%89%A9)
xUQOP+%&ڲvmM4 ?}d͉ di
1isiGQ_K{99MϸW?r$t=S͊e;vݱWB/}_UZ3*+v.w:d[Mv,4rD{TzY~0M9:䧟We ptN7/}m^ߩZ
Kz6cLVlC\