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Applied Mathematics: Algebra

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About the Khan Academy

Khan Academy

The Khan Academy is a not-for-profit organization with the goal of changing education for the better by providing a free world-class education to anyone anywhere.

All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get a leg up in earthly biology. The Khan Academy's materials and resources are available to you completely free of charge.

Algebra Tutorials

Conceptual videos and worked examples from basic algebra through algebra 2. Includes videos from the former algebra worked examples playlists.

Introduction to Algebra

  • Videos exploring why algebra was developed and how it helps us explain our world.

Linear equations

  • Solving one-step and multi-step equations in one variable.

Systems of equations and inequalities

  • Solving a system of equations or inequalities in two variables by elimination, substitution, and graphing.

Ratios & proportions

  • Solving and writing algebraic ratios and proportions. Solving rational equations.

Absolute value

  • Understanding absolute value and solving absolute value equations and inequalities.

Exponents and radicals and scientific notation

  • Solving exponential and radical expressions and equations. Using scientific notation and significant figures.

Logarithms

  • Understanding and solving logarithms, including natural logs.

Polynomials

  • Using polynomial expressions and factoring polynomials.

Quadratics 

  • Solving quadratics through factoring, completing the square, graphing, and the quadratic equation.

Functions

  • Identifying, solving, and graphing various types of functions.

Conic sections

  • Identifying and graphing circles, ellipses, parabolas, and hyperbolas.

Complex numbers

  • Understanding and solving equations with imaginary numbers.

Matrices

  • Understanding and solving matrices.I.

24/7 Librarian

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Margie McCandless
Contact:
Bellevue University Freeman/Lozier Library

402-557-7313