Math
Algebra
Conceptual videos and worked examples from basic algebra through algebra 2. Includes videos from the former algebra worked examples playlists.
Community Questions
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Introduction to algebra
Videos exploring why algebra was developed and how it helps us explain our world.
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Linear equations
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Linear inequalities
Exploring a world where both sides aren't equal anymore!
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Graphing points, equations and inequalities
Understanding the coordinate plane, slope, and intercept. Writing, solving, and graphing linear equations and inequalities.
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Systems of equations and inequalities
Solving a system of equations or inequalities in two variables by elimination, substitution, and graphing.
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Functions
Identifying, solving, and graphing various types of functions.
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Quadratics
Solving quadratics through factoring, completing the square, graphing, and the quadratic equation.
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2
Exponent expressions and equations
Solving exponential and radical expressions and equations. Using scientific notation and significant figures.
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Polynomials
Using polynomial expressions and factoring polynomials.
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Ratios and rational expressions
You have probably been wondering whether our powers of algebraic problem solving break down if we divide by the variable or we have entire expressions in denominator of a fraction. Well, they don't! In this topic, you'll learn how to interpret and manipulate algebraic ratios and rational expressions (when you have one algebraic expression divided by another)!
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Logarithms
Log-a-what? No, this tutorial is about neither chopped wood nor music (actually logarithms do have applications in music), but it is fascinating nonetheless.
You know how to take an exponent. Now you can think about what exponent you have to raise a number to to get another number. Yes, I agree--unstoppable fun for the whole family. No, seriously, logarithms are used everywhere (including to measure earthquakes and sound).
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Conic sections
Identifying and graphing circles, ellipses, parabolas, and hyperbolas.
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Matrices
Understanding and solving matrices.
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Imaginary and complex numbers
Understanding and solving equations with imaginary numbers.
Algebra
-
Algebra
- Community Questions
- Topics
- Introduction to algebra
- Linear equations
- Linear inequalities
- Graphing points, equations and inequalities
- Systems of equations and inequalities
- Functions
- Quadratics
- Exponent expressions and equations
- Polynomials
- Ratios and rational expressions
- Logarithms
- Conic sections
- Matrices
- Imaginary and complex numbers
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