Maths, Addmaths and Statistics: Post your doubts here!

[waztaz123]

http://www.mediafire.com/?ikb0u27qdb6rinm

Can anyone help me with Q8 of Mathematics(d), paper 2 Oct/Nov 2011 4024/22.

I mean I dont expect u to draw a graph over here but what are we supposed to do in this question?? Aren't a(i) and b(i) the same questions with different answers.

 

[namsu99]

uumm can anyone give me math 1986 november past paper with marking scheme if possible........

thanks.

 

[doctormani]

uumm can anyone give me math 1986 november past paper with marking scheme if possible........

thanks.

Not possible.... But u can get 1986 questions from elementry past papers! U can get it from any book store

 

[doctormani]

http://www.mediafire.com/?ikb0u27qdb6rinm

Can anyone help me with Q8 of Mathematics(d), paper 2 Oct/Nov 2011 4024/22.

I mean I dont expect u to draw a graph over here but what are we supposed to do in this question?? Aren't a(i) and b(i) the same questions with different answers.

Cant understand the ques

 

[daredevil]

hey can any1 plz give me some notes or anyother help for the topic "problem solving and number sequences"? we never did it officially and i'm not sure if i remember all what i did in 6th grade. plz hurry my mocks ae arriving!!! :'/

 

[Tharindu]

How to find the inverse of a quadratic of this type - ax^2+bx+c

 

[SalmanPakRocks]

How to find the inverse of a quadratic of this type - ax^2+bx+c

easy. Just make sure you convert it into its general form which is
f(x) = a(x - h)2 + k.
Then convert it into inverse like we usually do it

 

[Tharindu]

easy. Just make sure you convert it into its general form which is
f(x) = a(x - h)2 + k.
Then convert it into inverse like we usually do it

Thanks...how much are u expecting for your exam..btw do you know anyway I can get help in relative velocity

 

[SalmanPakRocks]

Thanks...how much are u expecting for your exam..btw do you know anyway I can get help in relative velocity

For relative velocity
Click here
And here
And here

 

[ashfaaq7]

How to find the inverse of a quadratic of this type - ax^2+bx+c

let the quadratic equations = y
i.e ax^2+bx+c=y
make x the subject of formula.
Then replace the first x with f^-1 (x) and the expression all the y in x.
Download the file for more info.

 

[Tharindu]

let the quadratic equations = y
i.e ax^2+bx+c=y
make x the subject of formula.
Then replace the first x with f^-1 (x) and the expression all the y in x.
Download the file for more info.

Thanks DDD

 

[bogus]

View attachment 4357
whenever there's a question abt centre of enlargement, its better if you join the original and the enlarged point with a line. as i did in the image above, once drawn, u can easily divide it into 4 equal parts as the scale factor was 4. if u start from (-2,3), u can consider 3 boxes as one unit, so the black dots represent the other units, in total making up 4.
hope it helps.

thanks a lot ...its a whole lot easier with the diagram...thanksss

 

[beeloooo]

can anyone help me find the surface area of trapezium plz in the attached paper q.16 part b ???? and the easiest way to find it plz ?? i struggle at finding the surface areas

 

[bogus]

the general formula for surface area of any prism is 2*area of cross section+perimeter of cross section*height so that should do it... the cross section here is a trapezium so 2*1/2*height*sum of parallel sides+ perimeter of trapezium (that is as all the sides of the trapezium)multiply by height.........hope it helps...if it did like it

 

[Tharindu]

How to solve three quadratic eq with three unkowns...for example-
2a+30b^2+45c=11 three of these type

 

[bogus]

not in o level math syllabus

 

[doctormani]

How to solve three quadratic eq with three unkowns...for example-
2a+30b^2+45c=11 three of these type

not in o level syllabus!

 

[Tharindu]

not in o level syllabus!

it is there i saw on a past paper

 

[multixamza01]

hey can any1 plz give me some notes or anyother help for the topic "problem solving and number sequences"? we never did it officially and i'm not sure if i remember all what i did in 6th grade. plz hurry my mocks ae arriving!!! :'/

Hope you get this in time.

 

[Tharindu]

Hope you get this in time.

do you have any quick revision guide like this for add maths? If so please post it...it will be very useful to all of us...also any other subjects like physics,etc