Systems of equations videos

Systems of equations: trolls, tolls (1 of 2)

Systems of equations: trolls, tolls (2 of 2)

Systems of equations with graphing: y=7/5x-5 & y=3/5x-1

Testing a solution to a system of equations

Setting up a system of equations from context example (pet weights)

Systems of equations with graphing: exact & approximate solutions

Setting up a system of linear equations example (weight and price)

Interpreting points in context of graphs of systems

Systems of equations with substitution: -3x-4y=-2 & y=2x-5

Systems of equations with substitution: potato chips

Systems of equations with elimination: King's cupcakes

Systems of equations with elimination: x-4y=-18 & -x+3y=11

Elimination strategies

Systems of equations with elimination: potato chips

Systems of equations with elimination (and manipulation)

Why can we subtract one equation from the other in a system of equations?

Worked example: equivalent systems of equations

Worked example: non-equivalent systems of equations

Reasoning with systems of equations

Systems of equations number of solutions: fruit prices (1 of 2)

Systems of equations number of solutions: fruit prices (2 of 2)

Solutions to systems of equations: consistent vs. inconsistent

Number of solutions to a system of equations

Number of solutions to a system of equations graphically

Solutions to systems of equations: dependent vs. independent

Number of solutions to a system of equations algebraically

How many solutions does a system of linear equations have if there are at least two?

Age word problem: Imran

Age word problem: Ben & William

Age word problem: Arman & Diya

System of equations word problem: walk & ride

System of equations word problem: infinite solutions

System of equations word problem: no solution

Systems of equations with elimination: TV & DVD

Systems of equations with substitution: coins

Systems of equations with elimination: apples and oranges

Systems of equations with elimination: coffee and croissants