第六节二次函数的应用

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

120064ABCDEAF=2BF=1ABPPNDM210xyx152030y252010yx1yx21y=kx+bk=-1b=40y=-x+402xww=x-1040-x=-x2+50x-400=-x-252+22525225121y=x2+x-1x=______y_____________22m0m/ssmtsS=V0t-gt2g10m/s2V0=10m/s________m3Vkm/hSmS=V2S=V260km/h________42006ABCDAB=2ADEF=10EFMEMMFEMNHMFGNMFGNABCDMN=xxEMNHS520062006x25242322y20002500300035001xyyxx213/Px/xP6200620/30/400yxx301yx2P344804180x76OM12OOMx1MP23ABCDADBCOMABADDC82006ADOABCD1AD=4O2ABCD8OrSrr2CD3S3.140.1:1PNDMDN=xNP=yPNDMS=xy2x4CN=4-xEM=4-y=y=-x+5S=xy=-x2+5x2x4x=5x5x2x4x=4=-2+54=121-1-273364MFGNABCDAB=2ADMN=xMF=2xEM=EF-MF=10-2xS=x10-2x=-2x2+10x=-2x-2+x=S51yxy=kx+b252000242500y=-500x+145002P=x-13y=x-13-500x+14500=-500x2+21000x-188500=-500x-212+32000PxP=-500x2+21000x-18850021/61y=kx+by=-20x+100030x502P=x-20y=x-20-20x+1000=-20x2+1400x-20000a=-200Px=-=35=450035/4500331x3436x3971M120P662y=ax-62+6O00a0-62+6=0a=y=-x-62+6y=-x2+2x3Amm2+2mOB=mAB=DC=-m2+2mOB=CM=mBC=12-2mAD=12-2mL=AB+AD+DC=-m2+2m+12-2m-m2+2m=-m2+2m+12=-m-32+15m=3OB=3L1581AD=4=2=2=222AD=2rAD+CD=8CD=8-AD=8-2rS=r2+ADCD=r2+2r8-2r=-4r2+16rCD=8-2r2CD328-2r325r3S=-4r2+16r=3.14-4r2+16r=-2.43r2+16r=-2.43r-2+-2.430r=3.32.5r33.3Srr=3SS=-42+1633.14-49+48=26.1326.12S26.12

1 / 10
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功