Question

Find the quadratic equation that fits the following.
{(4,65),(2,23),(-1,1)
Write in the equation in standard form y=ax^2+bx+c

Answer 1

these really are a pain to do. do you understand the underlying concept of them tho?

Answer 2

set up a system of 3 equations in 3 unknowns and use the methods that are the same in the 2system setup

Answer 3

http://www.mathsisfun.com/quadratic-equation-solver.html

Answer 4

or, set up a matrix using the values presented and rref it to get the coeff vector

Answer 5

umm, that site gives you roots to a quadratic, it doesnt seem to apply to plugging in points and retrieveing the quad from it tho