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Quadratic functions & equations

Learn
Parabolas intro
Practice
Parabolas introGet 5 of 7 questions to level up!
Interpret a quadratic graphGet 3 of 4 questions to level up!
Learn
Zero product propertyGraphing quadratics in factored formQuadratic word problems (factored form)
Practice
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!
Learn
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!
Learn
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!
Learn
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!
Learn
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!
Learn
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!
Learn
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!
Learn
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!
Learn
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!

About this unit

In this unit, we learn how to solve quadratic equations, and how to analyze and graph quadratic functions.