  #### Khan Academy | Free Online Courses, Lessons & Practice (non_profit)

You can learn anything. Expert-created content and resources for every course and level. Always free.  #### Algebra II | Math | Khan Academy (non_profit)

The Algebra 2 course, often taught in the 11th grade, covers Polynomials; Complex Numbers; Rational Exponents; Exponential and Logarithmic Functions; Trigonometric Functions; Transformations of Functions; Rational Functions; and continuing the work with Equations and Modeling from previous grades. Khan Academy's Algebra 2 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!  #### Polynomial arithmetic | Algebra II | Math | Khan Academy (non_profit)

In Algebra 2, students learn about the analog between polynomials and the integers, through adding, subtracting, and multiplying polynomials. This also paves the way for factoring and dividing polynomials.  #### Algebra I | Math | Khan Academy (non_profit)

The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a function; Exponential models; and Quadratic equations, functions, and graphs. Khan Academy's Algebra 1 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!  This unit is an overview of some fundamental ideas and tools we'll be using throughout algebra.    