AFA.FGR.3.7
Create, apply, and interpret quadratic functions to model real-world financial applications.
Khan Academy ResourcesSolving quadratics by completing the squareSolving quadratics by factoring reviewSolving simple quadratics reviewSolving quadratics by taking square roots Solving quadratics by factoringQuadratics by factoring (intro)Quadratics by factoringQuadratic word problems (standard form)Interpret quadratic modelsSolve equations using structureComparing linear functions word problemsLinear models word problemsFeatures of quadratic functionsFeatures of quadratic functions: strategyQuadratic word problems (vertex form)Exponential vs. linear growth over timeQuadratic word problems (factored form)Interpret exponential expressions word problemsStrategy in solving quadraticsQuadratic equations word problem: triangle dimensionsQuadratic word problem: ballWorked example: completing the square (leading coefficient ≠ 1)Solving quadratics by taking square rootsCompleting the squareSolving quadratics by factoringQuadratic equations word problem: box dimensionsWorked example: Completing the square (intro)Solving quadratics by completing the square: no solutionFinding the vertex of a parabola in standard formExamples finding the domain of functionsInterpret quadratic models: Factored formSolving quadratics using structureComparing linear functions word problem: climbQuadratic word problems (vertex form)Strategy in solving quadratic equationsSolving quadratics by taking square roots examplesComparing maximum points of quadratic functionsSolving quadratics by taking square roots: with stepsQuadratic word problems (factored form)Solving quadratics by factoring: leading coefficient ≠ 1Worked examples: Forms & features of quadratic functionsGraphing quadratics: vertex formComparing features of quadratic functionsWorked example: domain & range of piecewise linear functionsInterpret quadratic models: Vertex form

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