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# Quadratic equations & functions

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Parabolas intro

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Zero product propertyGraphing quadratics in factored formQuadratic word problems (factored form)

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Solving quadratics by taking square rootsSolving quadratics by taking square roots Solving quadratics by taking square roots examplesSolving quadratics by taking square roots: strategyQuadratics by taking square roots: with steps Solving simple quadratics reviewSolving quadratics by taking square roots: challenge

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Vertex form introductionGraphing quadratics: vertex formQuadratic word problems (vertex form)

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Solving quadratics by factoringSolving quadratics by factoringSolving quadratics by factoring: leading coefficient ≠ 1Solving quadratics using structureQuadratic equations word problem: triangle dimensionsQuadratic equations word problem: box dimensionsSolving quadratic equations by factoring (old)Solving quadratics by factoring review

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Completing the squareSolving quadratics by completing the squareWorked example: Completing the square (intro)Worked example: Rewriting expressions by completing the squareWorked example: Solving equations by completing the squareWorked example: completing the square (leading coefficient ≠ 1)Solving quadratics by completing the square: no solutionCompleting the square review

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The quadratic formulaUnderstanding the quadratic formulaUsing the quadratic formulaWorked example: quadratic formulaWorked example: quadratic formula (example 2)Worked example: quadratic formula (negative coefficients)Using the quadratic formula: number of solutionsProof of the quadratic formulaQuadratic formula reviewDiscriminant reviewQuadratic formula proof review

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Finding the vertex of a parabola in standard formGraphing quadratics: standard formQuadratic word problem: ball

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Forms & features of quadratic functionsWorked examples: Forms & features of quadratic functionsVertex & axis of symmetry of a parabolaFinding features of quadratic functionsComparing features of quadratic functionsComparing maximum points of quadratic functionsGraphing quadratics review

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Intro to parabola transformationsShifting parabolasScaling & reflecting parabolas

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Quadratic systems: graphical solutionQuadratic system with no solutionsQuadratic systems: both variables are squaredQuadratic systems: a line and a circle

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Quadratic inequalitiesQuadratic inequalities (example 2)Quadratic inequalities: graphical approach

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**Quadratic equations & functions**with these 23 questions.