(2012 云南)如图,在平面直角坐标系中如图,在平面直角坐标系中,直线y=1/3x+2交x轴于点P,交y轴于点A,抛物线y=1/2x+bx2+c的图象过点E(-1,0),并与直线A、B两点.(1)求抛物线的解析式(关系式);(2)过点A作AC
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 16:22:23
![(2012 云南)如图,在平面直角坐标系中如图,在平面直角坐标系中,直线y=1/3x+2交x轴于点P,交y轴于点A,抛物线y=1/2x+bx2+c的图象过点E(-1,0),并与直线A、B两点.(1)求抛物线的解析式(关系式);(2)过点A作AC](/uploads/image/z/3461261-5-1.jpg?t=%282012+%E4%BA%91%E5%8D%97%29%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%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%9B%B4%E7%BA%BFy%3D1%2F3x%2B2%E4%BA%A4x%E8%BD%B4%E4%BA%8E%E7%82%B9P%2C%E4%BA%A4y%E8%BD%B4%E4%BA%8E%E7%82%B9A%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D1%2F2x%2Bbx2%2Bc%E7%9A%84%E5%9B%BE%E8%B1%A1%E8%BF%87%E7%82%B9E%28-1%2C0%29%2C%E5%B9%B6%E4%B8%8E%E7%9B%B4%E7%BA%BFA%E3%80%81B%E4%B8%A4%E7%82%B9.%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%28%E5%85%B3%E7%B3%BB%E5%BC%8F%29%3B%282%29%E8%BF%87%E7%82%B9A%E4%BD%9CAC)
x[OAǿ
!1iڝH)G.V}FmЀQ.QDCj%%쫾s~翓2@4u'Y0{Yycvw˭#:{ތw>FwG+wGP٘N37v:63,:{r4="шݶ=~ӪNgCd>jT/~ykMb~Ҿ[2ݒݷ3N7{O>/)۳sLjQwdrՁI>NI~5=KlzKsxa;wkcOLg42c&ݨ}?vs}MribH]zarOQ W&.\Aʀ< }R"V00Ps$ wfQX,@,!
!!!&HEȀ,֮L +i"J$U$s'Ab8@P }Α'cH?