01:42 duration 1 minute 42 seconds
Evaluating an expression with a negative…
Evaluating an expression with a negative exponent: Negative integer base
Reminder of the negative exponent rule, then transforming a couple of numerical expressions with negative numbers as bases as well as exponents.
03:55 duration 3 minutes 55 seconds
Using the Distance Formula
Explains where the distance formula originates, and then gives an example of its use in finding the distance between two points.
02:53 duration 2 minutes 53 seconds
Review: Factoring a Difference of Squares
This is a review of the factoring technique used on two terms that are each a perfect square and are subtracted.