8.EE.C.8.b
Estimate solutions by graphing a system of two linear equations in two variables. Identify solutions by inspecting graphs of a system of linear equations in two variables.
Example Problems
Do the following two systems of equations have the same solution?
System A:
System B:
System A:
System B:
Do the following two systems of equations have the same solution?
System A:
System B:
System A:
System B:
Do the following two systems of equations have the same solution?
System A:
System B:
System A:
System B:
Khan Academy ResourcesNumber of solutions to system of equations reviewSubstitution method review (systems of equations)Systems of equations with substitutionSystems 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 number of solutions: fruit prices (1 of 2)Systems of equations with substitution: -3x-4y=-2 & y=2x-5Systems of equations number of solutions: fruit prices (2 of 2)Systems 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 substitution: 2y=x+7 & x=y-4Systems of equations with substitution: y=-5x+8 & 10x+2y=-2Number of solutions to a system of equations algebraically
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