8.ALG.3
Analyze and solve systems of linear equations in the form 𝑦=𝑚𝑥+𝑏 in real-world or mathematical contexts, graphically and algebraically.
Example Problems
Do the following equations have the same solution?
Do the following equations have the same solution?
What is the result of adding these two equations?
Khan Academy ResourcesSystems of equations with graphingNumber of solutions to system of equations reviewSubstitution method review (systems of equations)Systems of equations with substitutionAge word problemsSystems of equations with graphingSystems of equations with substitutionSystems of equations word problemsNumber of solutions to a system of equations graphicallyNumber of solutions to a system of equations algebraicallySolutions of systems of equationsSystems of equations: trolls, tolls (2 of 2)Systems of equations: trolls, tolls (1 of 2)Systems of equations with graphing: y=7/5x-5 & y=3/5x-1Systems of equations number of solutions: fruit prices (1 of 2)Number of solutions to a system of equations graphicallySystems of equations with substitution: -3x-4y=-2 & y=2x-5Systems of equations number of solutions: fruit prices (2 of 2)Age word problem: Ben & WilliamAge word problem: Arman & DiyaAge word problem: ImranSystems of equations with graphingNumber of solutions to a system of equationsSystems of equations with substitution: y=-1/4x+100 & y=-1/4x+120Systems of equations with substitution: y=4x-17.5 & y+2x=6.5Systems of equations with substitution: 9x+3y=15 & y-x=5Systems of equations with graphing: 5x+3y=7 & 3x-2y=8Systems of equations with graphing: choresSystems of equations with substitution: 2y=x+7 & x=y-4Systems of equations with substitution: y=-5x+8 & 10x+2y=-2Systems of equations with substitution: coinsNumber of solutions to a system of equations algebraicallySystem of equations word problem: infinite solutionsSystem of equations word problem: no solutionSystem of equations word problem: walk & ride

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