Question

初中英文数学题越多越好啊

Answer 1

【Ⅰ】
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.

Answer 2

If half of a number is 30, then three-quarters of that number is____.

Answer 3

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