Matrix or System of Equations solution.


Which comes from

ax2+bx+c=y.

(1,1) a(1)2+b(1)+c=1

(2,3) a(2)2+b(2)+c=3

(3,6) a(3)2+b(3)+c=6

From this system we get the solution of y=.5x2+.5x.