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# Quadratic functions & equations

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Parabolas intro

Practice

Parabolas introGet 5 of 7 questions to level up!

Interpret a quadratic graphGet 3 of 4 questions to level up!

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

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Zero product propertyGet 3 of 4 questions to level up!

Graph quadratics in factored formGet 3 of 4 questions to level up!

Quadratic word problems (factored form)Get 3 of 4 questions to level up!

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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 review

Practice

Quadratics by taking square roots introGet 3 of 4 questions to level up!

Quadratics by taking square rootsGet 3 of 4 questions to level up!

Quadratics by taking square roots: strategyGet 3 of 4 questions to level up!

Quadratics by taking square roots: with stepsGet 3 of 4 questions to level up!

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

Practice

Graph quadratics in vertex formGet 3 of 4 questions to level up!

Quadratic word problems (vertex form)Get 3 of 4 questions to level up!

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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 quadratics by factoring review

Practice

Quadratics by factoring (intro)Get 3 of 4 questions to level up!

Quadratics by factoringGet 3 of 4 questions to level up!

Solve equations using structureGet 3 of 4 questions to level up!

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The quadratic formulaUnderstanding the 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

Practice

Quadratic formulaGet 3 of 4 questions to level up!

Number of solutions of quadratic equationsGet 3 of 4 questions to level up!

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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

Practice

Completing the square (intro)Get 3 of 4 questions to level up!

Completing the square (intermediate)Get 3 of 4 questions to level up!

Completing the squareGet 3 of 4 questions to level up!

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

Practice

Graph quadratics in standard formGet 3 of 4 questions to level up!

Quadratic word problems (standard form)Get 3 of 4 questions to level up!

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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

Practice

Features of quadratic functions: strategyGet 3 of 4 questions to level up!

Features of quadratic functionsGet 3 of 4 questions to level up!

Graph parabolas in all formsGet 3 of 4 questions to level up!

Compare quadratic functionsGet 3 of 4 questions to level up!

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Intro to parabola transformationsShifting parabolasScaling & reflecting parabolas

Practice

Shift parabolasGet 3 of 4 questions to level up!

Scale & reflect parabolasGet 3 of 4 questions to level up!