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PP2 Math question

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astarmathsandphysics:
Half hour

angell:
Q21
Its about finding the equation of  a straight line which is always y=mx+c
First find the gradient
Using 1,-2 and 4,3
y2-y1/ x2-x1
m= 3-(-2)/4-1
m =3+2/3
m=5/3

Then, substitue m=5/3 in the equation y=mx+c

y=mx+c (using 1,-2)
-2 = 5/3 X 1 + c
-2 = 5/3 + c
c = 11/3

Then, substitute m and c in y = mx+c
so the equation of the line is y=5/3x + 11/3

(By the way i hope this is the question you were after:P)

yasser37:
One more quetion please

it's

June 02 Page 6 Q 12

and thanks angell   for answering

yasser37:
It is actually question 13

zubair_slipknot:
hi i am having a problem in maths may june paper 2 2007

q. 12 pg.11

part (b)

South Wesern Bank advertises savings with compund intrest at 4.9% per year. Kalid brother invests his money in this baml.At the end of 3 years, how much more money will he have than Kalid?

its urgent actually as i do not have much time for my next exam of maths...thx

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