如图,一条抛物线经过原点,且顶点B的坐标为(1,-1),(1)求这条抛物线的解析式(2)设该抛物线与x轴正半轴的交点为A,求证:△OBA为等腰直角三角形(3)设该抛物线的对称轴与x轴的交点为C
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 03:11:14
![如图,一条抛物线经过原点,且顶点B的坐标为(1,-1),(1)求这条抛物线的解析式(2)设该抛物线与x轴正半轴的交点为A,求证:△OBA为等腰直角三角形(3)设该抛物线的对称轴与x轴的交点为C](/uploads/image/z/3814939-19-9.jpg?t=%E5%A6%82%E5%9B%BE%2C%E4%B8%80%E6%9D%A1%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%BB%8F%E8%BF%87%E5%8E%9F%E7%82%B9%2C%E4%B8%94%E9%A1%B6%E7%82%B9B%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%EF%BC%881%2C-1%EF%BC%89%2C%EF%BC%881%EF%BC%89%E6%B1%82%E8%BF%99%E6%9D%A1%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%E8%AE%BE%E8%AF%A5%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8Ex%E8%BD%B4%E6%AD%A3%E5%8D%8A%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%E4%B8%BAA%2C%E6%B1%82%E8%AF%81%EF%BC%9A%E2%96%B3OBA%E4%B8%BA%E7%AD%89%E8%85%B0%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%EF%BC%883%EF%BC%89%E8%AE%BE%E8%AF%A5%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4%E4%B8%8Ex%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%E4%B8%BAC)
xVYOW+R$#kD]WB56S 6`ᒘF&?%;3ܹ`V`r,}tB6Tu%e~Z#_,Zg;g
Tfll'UORk0[O]j^7o(:UvQv>B/0bi`O;e-T3~AhLT uӏ
A?%DjPz\i/+JR7n*E
Ch!')m' .d x/tn^As"ENH$ߋ_zĒx,#3/=fc Z{hi&*13ƿt1=.a{"Ϻ,ntxv3n6ʒS$:e'pq:dwS!HX'qq81WDf"a/8D;qsa'rv`f,m=kƎNsc"Mz;_~W"1gn^;N37J-IrqI\ AuߍpA~BS5;wSCS=)fI z!P~S-Z^SDAhhZDM0
`/!BjF4B%]>_@'? ,Zor_v;8 8LjFNسseT>Q_0YM]
'A-_EkA=&Չ+Z$)%)ȶkD\x c_`&$q&$pX;5534}pP(9C4tiay2F}QT=@ 8ܡDQ1 Om8"ɂi9!&l`cDc"߭z^03+DUb"H'/>&Ls0M$G˅":ysS n?eH*3{Ex5