Ex 1: Cubic Regression on the TI84 – Natural Gas Consumption

This video provides an example of how to create a scatter plot and perform cubic regression on the TI84.

Ex 2: Cubic Regression on the TI84 – Total Sales

This video provides an example of how to create a scatter plot and perform cubic regression on the TI84.

Hooke’s Law – Direction Variation Application

This video provides an example of Hooke’s Law, which is an application of direction variation.

Derive the Auxiliary Equation for a Cauchy-Euler Equation

This video derives the auxiliarly or characteristic equation used to solve a second order Cauchy-Euler differential equation.

General Solution to a Second Order Homogeneous Cauchy-Euler Equation (distinct real)

This video provides an example of how to solve a second order homogeneous Cauchy-Euler Equation with the auxiliary equation has two distinct real roots.

General Solution to a Second Order Homogeneous Cauchy-Euler Equation (equal roots)

This video provides an example of how to solve a second order homogeneous Cauchy-Euler Equation with the auxiliary equation has two real equal roots.

General Solution to a Second Order Homogeneous Cauchy-Euler Equation (complex)

This video provides an example of how to solve a second order homogeneous Cauchy-Euler Equation with the auxiliary equation has complex solutions.

Cauchy-Euler Initial Value Problem

This video provides an example of how to solve an initial value problem involving a second order homogeneous Cauchy-Euler differential equation.

Second Order Nonhomogeneous Cauchy-Euler Differential Equations

This video provides an example of how to find the general solution to a second order nonhomogeneous Cauchy-Euler differential equation.

The Form of the Particular Solution Using the Method of Undetermined Coefficients – Part 2

This video provides examples of how to determine the form of the particular solution to a linear second order nonhomogeneous differential equation when terms are repeated. The particular solution is not found.