已知抛物线y=-2x^2+mx+n的顶点坐标为(1,2).(1)求抛物线的解析式已知抛物线y=-2x^2+mx+n的顶点坐标为(1,2).(1)求抛物线的解析式(2)求抛物线与坐标轴的交点坐标
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 01:35:53
![已知抛物线y=-2x^2+mx+n的顶点坐标为(1,2).(1)求抛物线的解析式已知抛物线y=-2x^2+mx+n的顶点坐标为(1,2).(1)求抛物线的解析式(2)求抛物线与坐标轴的交点坐标](/uploads/image/z/14942791-55-1.jpg?t=%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D-2x%5E2%2Bmx%2Bn%E7%9A%84%E9%A1%B6%E7%82%B9%E5%9D%90%E6%A0%87%E4%B8%BA%281%2C2%29.%281%29%E6%B1%82%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D-2x%5E2%2Bmx%2Bn%E7%9A%84%E9%A1%B6%E7%82%B9%E5%9D%90%E6%A0%87%E4%B8%BA%EF%BC%881%2C2%EF%BC%89.%EF%BC%881%EF%BC%89%E6%B1%82%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%882%EF%BC%89%E6%B1%82%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8E%E5%9D%90%E6%A0%87%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%E5%9D%90%E6%A0%87)
x){}Ku~FqFڹyg\yΧs'<[d.
C#M=
CgZ^,_lބ{I2ytX@@i#4'; ػɮ%pm-ҍD
ajH~Ͱ>Og/ Zٌpju6<ٍp;/ 4if$}D\}[C\[֮.J[;=m]oi;~o=rlM Zl
U
H&(HPK*m
V