虎帐谈兵

函数与方程的思想填空1.若抛物线y=3x平方+5x+2k-4与x轴的两个交点位于点(1,0)的两侧,则实数k的取值范围是___________2.已知抛物线y=x平方+2mx+m-7与x轴的两个交点在点(1,0)两旁,则关于x的方程1/4x平方 关于圆锥曲线中用方程与函数思想的运用的总结有没有相关的题（题目和解答）,或者直接给链接也行. （利用我）求翻译成英语. 英语翻译由于前期公司施工过程中造成电压波动损坏两台EMDEP测试台的主机箱,现需要申购两台. 报亭售报,进价0.7元/份,售价1元/份.卖不掉的可以以0.2元/份的价格退回.一月按30天计算.1月有20天每天可以卖100份,剩下的10天每天卖60份.要求!每天订报纸的数量必须相同!设每天定X份每月获利 图形的全等 怎么学图形的全等? 保护生态环境防止水土流失的方法是 He was born in May 10,1992.改出其中的错误 He was born____May,1989 A.in B.at C.on D.of he was born in belgium ( ) 4 th may 1992 阳光照在小草上,让小草______（这里阳光指母亲,小草指自己） steel wire cal.12 wire rope spooling bc wire 和朋友聊天时见到的 raw steel wire.. pvc wire和pvc cable有什么不同?外观,性能还有构成结构,材料等等方面的不同…谢谢! Joseph,Duk怎么读 科侬 英文是?Joseph 怎么读的? 但我觉得答案很可疑阿,求大神帮忙看看我哪里写错了 耐磨的人生 阅读答案耐磨的人生 我的一个朋友在一次意外的事故中失去了右手.炎炎夏日里我到他的小书屋去选书.我本来打算要穿一件凉爽的短 Joseph Morgan怎么读 英语翻译president obama has said that he gives each of his seven and ten-year-old daughters just a dollar a week for their chores,such as setting the table,washing dishes,and cleaning up their play area and bedroom.people have different opinions 英语翻译The argument above is open to the objection that it makes the questionable assumption that ThePtolemaic and Copernican theories,being inconsistent,cannot both be false.第一个that是什么从句,第二个是什么从句?open to the obje 英语翻译Song:Maker Makes Lyrics One more chain I break To get me closer to you One more chain does the maker make To keep me from bustin' through One more notch I scratch To keep me thinkin' of you One more notch does the maker make Upon my face 已知直线y=x+m与抛物线y2=4x交于a、b两点,求m为何值时,以线段ab为直径的圆过原点 已知抛物线y^2=2x,直线l过点(0,2)与抛物线交与M,N,以线段MN的长为直径的圆过坐标原点,求直线L的方程 过点A（1,0）的直线l与抛物线Y²=8X交于M、N两点,求线段MN的中点的轨迹方程 You will never know who is the next person you are waiting for. As you know,whether the person will be elected president is matter of ___interest.a generalb commonc ordinaryd mostly As you know,whether Mr.John will be elected president is a matter of_____interest.A.general B.common C ordinary As you know,whether the person will be elected president is matter of ___interest.a generalb commonc ordinaryd mostly我知道答案是A,可是我想知道B为什么不行.