A-CED.3
Represent constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpret solutions as viable or non-viable options in a modeling context. For example, represent inequalities describing nutritional and cost constraints on combinations of different foods.
Example Problems
Is a solution of ?
Is a solution of ?
Is a solution of ?
Khan Academy ResourcesIntro to slopeSlope formulaSlope reviewSlope-intercept form reviewAge word problemsSlope-intercept introSlope from two pointsSlope-intercept from two pointsSystems of equations word problemsSlope from graphTwo-variable inequalities word problemsSystems of equations word problems (with zero and infinite solutions)Slope-intercept equation from graphSlope from equationSystems of inequalities word problemsSystems of equations with substitution: potato chipsAge word problem: Ben & WilliamAge word problem: Arman & DiyaAge word problem: ImranModeling with systems of inequalitiesWorked example: slope from graphConverting to slope-intercept formSlope of a line: negative slopeWorked example: slope from two pointsSlope of a horizontal lineSystems of equations with graphing: choresSystems of equations with substitution: coinsSlope & direction of a lineGraphs of systems of inequalities word problemPositive & negative slopeWriting systems of inequalities word problemSlope from equationSystem of equations word problem: infinite solutionsSystem of equations word problem: no solutionWorked examples: slope-intercept introSolving two-variable inequalities word problemSystem of equations word problem: walk & rideSolving systems of inequalities word problemIntro to slope

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