如图,在平面直角坐标系中,直线y=-3x-3与x轴交于点A,与y轴交于点C.抛物线y=x2+bx+c经过A,C两点,且与x轴交于另一点B(点B在点A右侧).(1)求抛物线的解析式及点B坐标;(2)若点M是线段BC上一
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 19:12:33
![如图,在平面直角坐标系中,直线y=-3x-3与x轴交于点A,与y轴交于点C.抛物线y=x2+bx+c经过A,C两点,且与x轴交于另一点B(点B在点A右侧).(1)求抛物线的解析式及点B坐标;(2)若点M是线段BC上一](/uploads/image/z/2556722-2-2.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%BB%E4%B8%AD%2C%E7%9B%B4%E7%BA%BFy%3D-3x-3%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9A%2C%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9C%EF%BC%8E%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dx2%2Bbx%2Bc%E7%BB%8F%E8%BF%87A%2CC%E4%B8%A4%E7%82%B9%2C%E4%B8%94%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E5%8F%A6%E4%B8%80%E7%82%B9B%EF%BC%88%E7%82%B9B%E5%9C%A8%E7%82%B9A%E5%8F%B3%E4%BE%A7%EF%BC%89%EF%BC%8E%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%E5%8F%8A%E7%82%B9B%E5%9D%90%E6%A0%87%EF%BC%9B%EF%BC%882%EF%BC%89%E8%8B%A5%E7%82%B9M%E6%98%AF%E7%BA%BF%E6%AE%B5BC%E4%B8%8A%E4%B8%80)
xXRW~Uق0fΌ$e%)J}Mit l66x+"lȒ+;6g[aX Btf_v3F&]bεstmHO=;X7wO{V CnUfb,Y\4+ziXʓI-?2UNH꛰vV 3f?^d碹TaFh7VmVi62uXN`5Xx%5}M AKJ |8
Ը3QPQXQ¨ ];Awc3竈GX; #ڪ^yj|w@ꚽPV2vCKmJB؊ Q!,$Zt}<9Oqn$
;GHwuKZU?n+mO}+:6?w?0{M{fr7oݜhɹ<x?K'oz?}C~/oȔ(z%f2rڟ&$(OeSL$%>-M*bVѲ?&S>@N%SY1lJ{dF¢ERAYʈB*I_
hpOʯͽ=w2QEh'~:ߌ)x hT$28)
nm^*pW_w.m&tESDHBA_Yml)38 2UU TrtM耰ԑaNdazCcǼ*YxРӁf꒳'ӵݠg;Khi]%Gtk$JF 1ЂZzd
ŧ`%'J)0"ڔ(I?ֆ`xţK?}FwWi{W餏Ĥ)
%|,)J{Zp[K?sv5('"[ͼ
7~AX|VGalQ9+
2$xOf!ZfID-6hp]MIJ%pE("Lkw0F6;-ަBՂe&mb)>k;!