02:06 duration 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.
04:58 duration 4 minutes 58 seconds
Solving a radical equation that simplifies to a…
Solving a radical equation that simplifies to a quadratic equation: One radical, basic
This radical equation when sqaured to eliminate the sqaure root creates a quadratic equation that can then be solved by factoring.