On Demand

Data distributions

Data makes more sense when we graph it and summarize it with numbers.This course contains 4 segments:Displays of distributionsA picture says a thousand words. A well-made data display can show data...

Khan Academy

On Demand

Two-way tables

Two-way tables show us relationships between categorical variables.This course contains 2 segments:Two-way frequency tablesFrequency tables show us how many times something happened. This tutorial...

Khan Academy

On Demand

Sequences

Learn about the various ways in which we can define sequences; Use and construct arithmetic and geometric sequences.This course contains 6 segments:Introduction to arithmetic sequencesLearn about...

Khan Academy

On Demand

Rational exponents & radicals

Learn about expressions with rational exponents like x^(2/3), about radical expressions like √(2t^5), and about the relationship between these two forms of representation. Learn how to evaluate and...

Khan Academy

On Demand

Exponential growth & decay

Learn how to construct, analyze, graph, and interpret basic exponential functions of the form f(x)=a*r^x.This course contains 6 segments:Exponential vs. linear growthLearn about exponential growth...

Khan Academy

On Demand

Congruence

Learn what it means for two figures to be congruent, and how to determine whether two figures are congruent or not. Use this immensely important concept to prove various geometric theorems about...

Khan Academy

On Demand

Analytic geometry

In analytic geometry, also known as coordinate geometry, we think about geometric objects on the coordinate plane. For example, we can see that opposite sides of a parallelogram are parallel by by...

Khan Academy

On Demand

Absolute value & piecewise functions

Learn how to solve absolute value equations and how to graph absolute value functions.This course contains 2 segments:Graphs of absolute value functionsLearn how to graph absolute value functions...

Khan Academy

On Demand

Polynomials

Learn how to add, subtract, multiply, and divide polynomial expressions. For example, write (2x+3)(x-1) as 2x²+x-3.This course contains 12 segments:Intro to polynomialsLearn about polynomial...

Khan Academy

On Demand

Factorization

Learn how to write polynomial expressions as the product of linear factors. For example, write x^2+3x+2 as (x+1)(x+2).This course contains 12 segments:Introduction to factorizationLearn what...

Khan Academy