02:06duration 2 minutes 6 seconds

Identifying solutions to a linear equation in two…

Identifying solutions to a linear equation in two variables

A demo that shows how to substitute possible x-y ordered pairs into an equation to find out whether they create a true statement, determining which are solutions and which are not.

01:56duration 1 minute 56 seconds

Power of 10: Negative exponent

Negative powers of 10 means that they are very small fractions.