HSA.REI.C.6

Solve systems of equations algebraically and graphically.

Example Problems
How many solutions does this system of equations have?
How many solutions does this system of equations have?
How many solutions does this system of equations have?
Khan Academy Resources
Equivalent systems of equations reviewElimination method review (systems of linear equations)Number of solutions to system of equations reviewSystems of equations with graphingSystems of equations with eliminationSystems of equations with elimination challengeSolving equations graphically: introNumber of solutions to a system of equations graphicallySystems of equations word problems (with zero and infinite solutions)Reasoning with systems of equationsSolving equations graphically: word problemsNumber of solutions to a system of equations algebraicallySolving equations graphically: graphing calculatorSolutions 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 with elimination: x-4y=-18 & -x+3y=11Systems of equations with elimination: King's cupcakesSystems of equations with elimination: potato chipsSystems of equations with substitution: potato chipsSystems of equations number of solutions: fruit prices (1 of 2)Number of solutions to a system of equations graphicallySystems of equations number of solutions: fruit prices (2 of 2)Number of solutions to a system of equationsSystems of equations with elimination: TV & DVDTesting a solution to a system of equationsSolutions to systems of equations: consistent vs. inconsistentSolutions to systems of equations: dependent vs. independentWhy can we subtract one equation from the other in a system of equations?Intro to linear equation standard formSolving equations by graphing: word problemsReasoning with systems of equationsWorked example: equivalent systems of equationsWorked example: non-equivalent systems of equationsHow many solutions does a system of linear equations have if there are at least two?Solving equations by graphingSystems of equations with elimination: coffee and croissantsNumber of solutions to a system of equations algebraicallyTwo-variable linear equations introSolving equations by graphing: introIntro to point-slope formSystems of equations with elimination: apples and orangesSolving equations by graphing: graphing calculatorSystems of equations with graphing: exact & approximate solutions
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