CIE IGCSE Additional Maths 2014

[keisukehonda1212]

This is the Official Thread for Additional Maths. Post Doubts/ Share notes here.

1) Does anyone have some extra notes/ questions on Relative Velocity?

 

[nadalrafa19999]

Express 2x^2+5x+5 in the form (ax+b)^2+c

 

[Zubair Junjunia]

Express 2x^2+5x+5 in the form (ax+b)^2+c

(x + 1.25)^2 + 3.125

 

[Ahmed madani]

cake

 

[nadalrafa19999]

But how?

 

[Zubair Junjunia]

Express 2x^2+5x+5 in the form (ax+b)^2+c

Use the formula

x^2 + n ==> (x + (n/2) )^2 - ( (n/2)^2 )

Divide the expression by 2 and then use the formula

 

[nadalrafa19999]

How was the exam? Ansers please

 

[jseaklfjskldfj]

how did you guys find the exam? what do you guys think the grade boundaries for papers 12 and 22 will be for a*?