NC.M1.A-REI.11
Build an understanding of why the x-coordinates of the points where the graphs of two linear, exponential, and/or quadratic equations y = (x) and y = g(x) intersect are the solutions of the equation f(x) = g(x) and approximate solutions using graphing technology or successive approximations with a table of values.
Example Problems
Is a solution to the following system of equations?
Is a solution to the following system of equations?
Is a solution to the following system of equations?
Khan Academy ResourcesNumber of solutions to system of equations reviewSystems of equations with graphingSolving equations graphically: introNumber of solutions to a system of equations graphicallySolving 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 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 equationsTesting a solution to a system of equationsSolutions to systems of equations: consistent vs. inconsistentSolutions to systems of equations: dependent vs. independentSolving equations by graphing: word problemsHow many solutions does a system of linear equations have if there are at least two?Solving equations by graphingNumber of solutions to a system of equations algebraicallySolving equations by graphing: introSolving equations by graphing: graphing calculatorSystems of equations with graphing: exact & approximate solutions

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