新人教版八年級(jí)下172實(shí)際問(wèn)題與反比例函數(shù)(3)(編輯修改稿)
2025-01-06 21:23 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 .)2(。,)1(.,28,的面積兩點(diǎn)的坐標(biāo)求兩點(diǎn)交于的圖像與一次函數(shù)反比例函數(shù)已知如圖AO BBABAxyxy??????A y O B x M N 超越自我 : ??????????.2,8)1(:xyxy解????????????.4,2。2,4yxyx或解得).2,4(),4,2( ??? BAA y O B x M N .642 ?????? ??? O A MO M BA O B SSS).0,2(,2,0,2:)2(Mxyxy ????? 時(shí)當(dāng)解法一.2?? OM., DxBDCxAC 軸于軸于作 ??,2222121 ???????? ? BDOMS O M B.4422121 ???????? ACOMS O M AA y O B x M N .624 ?????? ??? O N AO N BA O B SSS).2,0(,2,0,2:)2(Nyxxy ????? 時(shí)當(dāng)解法二.2?? ON., DyBDCyAC 軸于軸于作 ??,4,2 ?? BDAC?,4422121 ???????? ? BDONS O N B.2222121 ???????? ACONS O N A 2元的賀卡，在市場(chǎng)營(yíng)銷
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