Q1)The first term and the fifth term of a sequence are 1 and 16 respectiveiy.
Find the secord, the third and the fourth terms of the sequence.
Q2)A boy has twenty $2 coins and 5 coins.In how ways can he buy a gift
that costs$96if he pays the exact price for the gift?
Q3)Find a function such that when the input X is -3,the output y is 二分之一
Q4)Write down a polynomial of 4 terms with degree of 5.
就係尼4題,helpme,................10分
更新1:
可唔可以教埋我尼4題如可以..我會選你為最佳回答.... Q5)Find the values of a and b such that in the expansion of (x+a)(x+b) , the coefficient of the x term is a postive number and the constant term is a negative number.
更新2:
Q6)150 balls are put into two boxes A and B . If the number of balls in box B is a multiple of that in boxA , suggest two pairs of the numbers of balls in boxes A and B.
更新3:
Q7)Jenny wants to send a parcel to her uncle. the postage is $3802. She has some $1.4-stamps , $2.5-stamps and $3-stamps. Suggest two ways of paying the postage using these kinds of stamps. Q8)Suggest two strategies to estimate the value of the expression 103+152+143+128+175
