160 likes | 330 Views
Degree and Finite Differences. How the degree translates to a function. What do the graphs look like?. Constant: y=3. Linear: y=x. Quadratic: . Cubic: . Using Finite Differences.
E N D
Using Finite Differences • Given a table of values, there is a trick to find the degree of the equation, it is called the Finite Difference Method. • Once we know the degree, it is easy to find the equation on the calculator.
If the first difference is constant, it is a linear function.
If the second difference is constant, it is a quadratic function
If the Third difference is constant, it is a cubic function.
How do we get the actual Equation? • Once we use the finite difference method to find the degree, we can use the calculator to find the equation.
Magic Button- Stat • Linear – LinReg (ax+b) • Quadratic - QuadReg • Cubic – CubicReg • Then
Homework • 7.1 Worksheet- All.