如图,在平面直角坐标系xOy中,正方形OABC的边长为2cm,点A、C分别在y轴的负半轴和x轴的正半轴上,抛物线y=ax2+bx+c经过点A、B和D(4,-2/3)(1)求抛物线的解析式;(2)如果点P由点A开始沿AB边以2cm
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 03:31:32
![如图,在平面直角坐标系xOy中,正方形OABC的边长为2cm,点A、C分别在y轴的负半轴和x轴的正半轴上,抛物线y=ax2+bx+c经过点A、B和D(4,-2/3)(1)求抛物线的解析式;(2)如果点P由点A开始沿AB边以2cm](/uploads/image/z/3762247-31-7.jpg?t=%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%BBxOy%E4%B8%AD%2C%E6%AD%A3%E6%96%B9%E5%BD%A2OABC%E7%9A%84%E8%BE%B9%E9%95%BF%E4%B8%BA2cm%2C%E7%82%B9A%E3%80%81C%E5%88%86%E5%88%AB%E5%9C%A8y%E8%BD%B4%E7%9A%84%E8%B4%9F%E5%8D%8A%E8%BD%B4%E5%92%8Cx%E8%BD%B4%E7%9A%84%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%B8%8A%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax2%2Bbx%2Bc%E7%BB%8F%E8%BF%87%E7%82%B9A%E3%80%81B%E5%92%8CD%EF%BC%884%2C-2%2F3%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%9B%EF%BC%882%EF%BC%89%E5%A6%82%E6%9E%9C%E7%82%B9P%E7%94%B1%E7%82%B9A%E5%BC%80%E5%A7%8B%E6%B2%BFAB%E8%BE%B9%E4%BB%A52cm)
xVKSV+,a,c[1Lי1a-mlCyMBՕB{ddt:]tZh{y
͌9Rh
dH7cP.V^8\4o걉Yr)'FOqsլ[z&N̹jq\ ɏ4kݗ)S,OV31NN+)H̥_ZkVDT3msVkV(CU
^X z+J\yup]Q̵k4"m
p]Ͼa@BC;~@j$.ټTQ yʥ宴<Υ}ǹte<r&f^B`}nNJ
WoÂUZ'd6W^M7i⽱~E7H
)-gfnVfN V/tiU<&2
`lH\n#~߂$UFW((*[2]<\,ň-ŊJzeJwVlleL;V3;~NS!N5
Gv^}c)$W"MD,i+`#Ny˨'s"7`$g+M
6cEc64Y0I^WX:"KWU4E*44R)NJ#yG5O5o7BqqkhI1<b\bGQO37gU#1xz]2+)OLLJc5GcHېX_5FVo2|`Yw8Gv&Ә!#Zm@H<}>W~RN=|`^Ao{pa}Fi^v͕K>o+xcg