05:42 duration 5 minutes 42 seconds
Identifying solutions to a system of linear…
Identifying solutions to a system of linear equations
This demonstrates testing possible answers to a system of two equations to see whether they are truly answers or not. Note that each answer has to work for both equations, but if it doesn't…
03:59 duration 3 minutes 59 seconds
Order of operations with integers and exponents
Three examples of this topic