## Googol and Googolplex

This video defines a googol and a googoplex.

## Ex: Determine Linear Function Inputs Given Function Values

This video explains how to determine linear function inputs given function values or function outputs.  The results are verified graphically.

## Ex: Subtracting Rational Expressions (Factoring With A Not 1)

This video provides an example of how to subtract two rational expressions.  The problem requires factoring trinomials with “a” not equal to 1.

## Ex 1: Simplify an Expression with a Negative Rational Exponent

This video provides two examples of how to simplify an expression with a negative rational expression over the real numbers.

## Ex 2: Simplify an Expression with a Negative Rational Exponent

This video provides two examples of how to simplify an expression with a negative rational expression over the real numbers.

## Ex: Solve a Quadratic Equation Using Factor By Grouping

This video provides an example of how to solve a quadratic equation by factoring using the factor by grouping technique.

## Ex: Factor a Trinomial in Two Variables Using Grouping

This video provides an example of how to factor a  trinomial in two variables using the  grouping technique.