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#1 2012-11-04 20:11:29

abhishek.ciindore
Member
Registered: 2012-11-04
Posts: 1

i have a question where the curve is a parabola passing through the origin a point is given its neither the max nor min it`s on the curve the point is (1,2) and then the curve again cuts through the x axis at (6,0)
> and i need to form a quadratic equation based on that could you pls help me out with it...........

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#2 2012-11-04 20:42:45

bob bundy
Registered: 2010-06-20
Posts: 8,155

Re: MATH quadratic equation on graph

hi abhishek.ciindore

Welcome to the forum.

If the equation has the form

then you can make three equations by substituting for (x,y) as follows:

(i) (0,0)  (ii) (1,2)  (iii) (6,0)

That should be enough to work out a, b, and c.

Check by substituting each 'x' value into your finished equation to see if it gives the right 'y'.

Bob

Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

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