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# Algebra I

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## We’ve updated this course!

We’ve recently made improvements to Algebra 1! We’ve improved the scope and the structure to be better aligned to the spirit of the Common Core, and we've added content to cover more subjects! You are viewing the newer edition.

Learn more or access older editionEvaluating functions: FunctionsInputs and outputs of a function: FunctionsFunctions and equations: FunctionsInterpreting function notation: FunctionsIntroduction to the domain and range of a function: FunctionsDetermining the domain of a function: Functions

Recognizing functions: FunctionsMaximum and minimum points: FunctionsIntervals where a function is positive, negative, increasing, or decreasing: FunctionsInterpreting features of graphs: FunctionsAverage rate of change: FunctionsAverage rate of change word problems: FunctionsIntro to inverse functions: Functions

Multiplying monomials by polynomials: Quadratics: Multiplying & factoringMultiplying binomials: Quadratics: Multiplying & factoringSpecial products of binomials: Quadratics: Multiplying & factoringIntroduction to factoring: Quadratics: Multiplying & factoring

Factoring quadratics intro: Quadratics: Multiplying & factoringFactoring quadratics by grouping: Quadratics: Multiplying & factoringFactoring quadratics with difference of squares: Quadratics: Multiplying & factoringFactoring quadratics with perfect squares: Quadratics: Multiplying & factoringStrategy in factoring quadratics: Quadratics: Multiplying & factoring

Intro to parabolas: Quadratic functions & equationsSolving and graphing with factored form: Quadratic functions & equationsSolving by taking the square root: Quadratic functions & equationsVertex form: Quadratic functions & equationsSolving quadratics by factoring: Quadratic functions & equations

The quadratic formula: Quadratic functions & equationsCompleting the square: Quadratic functions & equationsQuadratic standard form: Quadratic functions & equationsFeatures & forms of quadratic functions: Quadratic functions & equationsTransforming quadratic functions: Quadratic functions & equations