I know how to do the harder questions but not the easy ones. Please help (will give medals)

Question

yttrium · Answer

you can't do harder questions without knowing the basics.

anonymous · Answer

So as apart of my assignment i have a graph i sketched from a chain. In the assignment i had to put axis on it so that the turning point was at (0,0). I have heaps of points. Now how do i find the equation of this graph??? I have completely forgotten. I know y=ax^2+bx+c but what next???

anonymous · Answer

I know the basics @Yttrium i just cant remember

anonymous · Answer

can u help me @Yttrium ?

anonymous · Answer

@ganeshie8 can u help me? Does this make sense?