已知方程ax²+bx+c=0(a≠0)有根(1)若a+b+c=0时,x为多少?(2)若a-b+c=0时,x为多少?(3)若c=0时,x为多少?(4)若4a+c=2b,x又为多少?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/09 01:27:35
![已知方程ax²+bx+c=0(a≠0)有根(1)若a+b+c=0时,x为多少?(2)若a-b+c=0时,x为多少?(3)若c=0时,x为多少?(4)若4a+c=2b,x又为多少?](/uploads/image/z/2492078-14-8.jpg?t=%E5%B7%B2%E7%9F%A5%E6%96%B9%E7%A8%8Bax%26%23178%3B%2Bbx%2Bc%3D0%EF%BC%88a%E2%89%A00%EF%BC%89%E6%9C%89%E6%A0%B9%EF%BC%881%EF%BC%89%E8%8B%A5a%2Bb%2Bc%3D0%E6%97%B6%2Cx%E4%B8%BA%E5%A4%9A%E5%B0%91%3F%EF%BC%882%EF%BC%89%E8%8B%A5a-b%2Bc%3D0%E6%97%B6%2Cx%E4%B8%BA%E5%A4%9A%E5%B0%91%3F%EF%BC%883%EF%BC%89%E8%8B%A5c%3D0%E6%97%B6%2Cx%E4%B8%BA%E5%A4%9A%E5%B0%91%3F%EF%BC%884%EF%BC%89%E8%8B%A54a%2Bc%3D2b%2Cx%E5%8F%88%E4%B8%BA%E5%A4%9A%E5%B0%91%3F)
xTnA~&},ћ2Tm٥PVM{QOa".W}ʒRI1s9Cq_6:[߽w_3V6rCL#͏.ofPdlX(x,VTlPְfx|]JLIqPv=X@vT+ji
L.|*Si͔sP
ʅ>j跨tdft`ʠyN-SK"DsH8Y0LH$0 )jh FQXāJQJ%٧kqIOQqq=k:Ǯs*W6u*Aɋ509˔@xOn]$%d2wudd+Bb@2nù.ʪꮼԸ]gq
=9";ڜ<:Q?JLyJt#g>