A1:A-REI.D.10
Understand that the graph of an equation in two variables is the set of all its solutions plotted in the coordinate plane, often forming a curve (which could be a line).
Example Problems
Graph:
Graph:
Graph:
Khan Academy ResourcesIntro to slope-intercept formNumber of solutions to system of equations reviewSolutions to 2-variable equationsSlope-intercept introIntercepts from a graphNumber of solutions to a system of equations graphicallyNumber of solutions to a system of equations algebraicallyComplete solutions to 2-variable equationsSystems 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)Intercepts from an equationNumber of solutions to a system of equationsSolutions to systems of equations: consistent vs. inconsistentSolutions to systems of equations: dependent vs. independentHow many solutions does a system of linear equations have if there are at least two?Worked example: solutions to 2-variable equationsCompleting solutions to 2-variable equationsNumber of solutions to a system of equations algebraicallyIntro to slope-intercept formSolutions to 2-variable equationsIntro to intercepts

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