1
use the factor therem to factorise the following cubics as far as possible:
f(x)=x(的三次方)-7x+6
2
find a given that (x+4) is a factor of f(x)=x(的三次方)+8x^+ax+12 and hence factorise f(x) completely.
3
show that (x-2) is a factor of f(x)=x的三次方-4x^+x+6 and hence solve f(x)=0.
4
find the three solutions to each of the following equations
10x的三次方-29x^+25x-6=0
5
the expression ax^+bx+6 has remainder 15 when divided by (x-1) and remainder 1 when divided by (x+1).find the values of a and b.
6
given that (x^-1)is a factor of x的三次方+ax^+bx -4 ,find the values of a and b。
7
the width of a rectangle is 7 cm shorter than the length . if the perimeter of the rectangle is 38 cm , find
(a) the width
(b) the length
(c) the area of the rectangle
【Ⅱ】
1、In 2004, 16 June falls on a Wednesday. On what day of the week will 16 June fall in2010?
2、If half of a number is 30, then three-quarters of that number is____.
3、The sum of the digits of the following product 999×555
4、Three positive integers have a sum of 28. The greatest possible product that these integers can have is_____.
5、In what follows, □ and Δ are different numbers.When 503 is divided by □ the remainder is 20.When 503 is divided by Δ the remainder is 20.When 493 is divided by □ x Δ the remainder is_____.
6、A lady, her brother, her son and her daughter (all related by birth) played volleyball. The worst player's twin (who is one of the four players) and the best player are of opposite sex.The worst player and the best player are of the same age.Who cannot be the worst player(s)?
A) brother only
B) daughter only
C) son and daughter only
D) lady and daughter only
E) lady only
7、If you continue the given number pattern, in what row and in whatposition in that row will the number 320 be?
1 -------------- row 1
2 3 -------------- row 2
4 5 6 -------------- row 3
7 8 9 10 -------------- row 4
The answers are given in the order of row ; position.
初中英文数学题越多越好啊
use the factor therem to factorise the following cubics as far as possible:f(x)=x(的三次方)-7x+6 2 find a given that (x+4) is a factor of f(x)=x(的三次方)+8x^+ax+12 and hence factorise f(x) completely.3 show that (x-2) is a factor of f(x)=x的三次方-4x...
有的人认为刷的数学题越多,成绩就会越好,你怎么看?
有的人认为刷的数学题越多，成绩就会越好，你怎么看？其实对于这个观点，我并不是十分的赞同的，因为我们大家可以看到的是，对于很多的人而言，他们的数学成绩一直不好，并且，刷题并没有实际的效果，这也导致我们看到的是，刷题并不是适合每一个人。当然了，我也表示其实这个看法还是有一定的对的地方...
有的人认为刷的数学题越多,成绩就会越好,事实真的是这样吗?
有的人认为刷的数学题越多，成绩就会越好，事实真的是这样吗？作为一名初中数学老师，我来回答一下这个问题。刷题跟数学成绩有一定的关系，但关键是要明白应该怎么刷题才能更好地提高数学成绩。我给几点建议，希望对你有帮助。1、要明白刷题的前提。我们知道要想学好数学，巩固练习即做题训练必不可少。
有的人认为刷的数学题越多,成绩就会越好,事实真的是这样吗?
许多人相信，做更多的数学题目能够提高成绩，但这一观点是否站得住脚呢？作为一名初中数学教师，我愿就此话题展开探讨。首先，做题与数学成绩之间确实存在联系，但关键在于我们如何有效地进行题目练习。以下是一些建议，希望对你们有所助益。1. 确保基础知识牢固。学习数学，必须通过练习来巩固所学。但在做题...
英文数学题、考新加坡高中
所以你慢慢看慢慢背，一天背那么几个关键词，当然例题是看得越多越好，可以帮你巩固那些刚背的单词。然后半个月的时间足够把能用得上的单词都过一遍了。考试的时候即使不是每个词都能看懂，也不一定影响你的理解。自己上google搜math practice sec 3就会有很多题目了，比如我搜到一个http:\/\/www.math...
一道英文数学题
S-S1= 480ft (1)V0=5ft per second ,We assume that rate is the rate of balloon rising when 500ft of rope has been payed out is Vx The acceleration of the ballon is : a = V \/ t so the accelerattion of the ballon is 5 m\/s^2 S = (Vx^2-V^2) \/a so ...
...语文、数学、英语 一共八科,题越多越好,要求必须带答案,速度!!_百...
八上期中数学复习题班级___ 姓名___一、填空题:1.菱形的面积是3cm,一条对角线的长是3cm,另一条对角线的长是___cm。2.若等腰梯形一个内角为75°,则其余三个角的度数为___。3.如图,矩形ABCD的长为6cm,宽为4cm。O是对称中心,则图中阴影部分的面积是___。4.如图所示,25个边长为1的正方形拼成一个...
数学学习是不是做题越多越好?题海战术需要注意些什么?
数学学习不是做题越多越好，题海战术的注意事项：数学课这门课程有别于语文学科、英文等课程，要想学好数学除开对数学课有兴趣以外，还需要能深入了解这门课程，最先弄懂数学中的各种各样定义，把握各种各样知识点的理解和应用。在把握定义和知识点后数学重点调查的是逻辑思维能力了，多定义的串连，不...
求初中七年级数学竞赛题目 越多越好 速速回
2．设b<n<0， ，则 等于( )(A) (B)一 ． (c)一3． (D)3．3．Given a，b，C are positive integers，and a，b are prime numbers ，then the value of a+b+C is( )(A)14． (B)13． (C)12． (D)11．(英汉词典positive integer：正整数．prime num...
