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Carl Horowitz Carl Horowitz
Alissa Fong Alissa Fong

Graphs of Linear Equations

FREE

Graphs of Linear Equations reviews the rectangular (Cartesian) coordinate system, and contains lessons on different methods of interpreting the lines and their applications, and has examples of solving different practice problems related to finding the slope and using different forms of writing the equation for a line. Topics include:

Graphs of Linear Equations
45 videos 2h 42s

Functions

Functions teaches students how to properly use function notation and how to answer questions related to them, such as how to find domain and range, how to define a function, and how to interpret word problems with direct and indirect variation. Topics include:

Functions
20 videos 55m 1s

Systems of Linear Equations

Systems of Linear Equations teaches students different ways of dealing with problems relating to systems of equations in two or more variables and how to recognize systems with no or infinite solutions both algebraically and with graphs. Students can practice with word problems that apply systems of equations and learn different methods for solving systems including elimination and substitution. Topics include:

Systems of Linear Equations
28 videos 2h 50s

Matrices

Matrices helps students learn how to properly use matrix operations such as switching and adding scalar multiples of rows , and gives practice with the applications of an augmented matrix. Topics include:

Matrices
16 videos 1h 8m 33s

Polynomials

Polynomials teaches students how to define a polynomial function and provides practice on how to interpret the graphs of basic polynomials and their transformations, and how to multiply and divide them both with long and synthetic division. Topics include:

Polynomials
74 videos 4h 6m 12s

Factoring

Factoring reviews methods to factor real and imaginary terms out of polynomials, including quadratics, cubics and those of higher degree. Students can learn how to use the rational roots theorem and synthetic division through lectures and practice problems similar to those that would appear on their homework. Topics include:

Factoring
32 videos 1h 58m 19s

Rational Expressions and Functions

Rational Expressions and Functions defines rational expressions and discusses their domains and asymptotic behavior as functions. Students can learn and practice methods of simplifying, solving and graphing rational functions through various exercises they would find in their homework, including word problems dealing with distance, rate and time and those dealing with work. Topics include:

Rational Expressions and Functions
56 videos 3h 17m 38s

Roots and Radicals

Roots and Radicals introduces students to rational exponents and helps with studying how to simplify and otherwise manipulate expressions with radicals and roots using their properties and rules. Students will learn through practice problems like those found in their homework how to rationalize, combine, expand radicals. Topics include:

Roots and Radicals
107 videos 5h 5m 48s

Quadratic Equations and Inequalities

Quadratic Equations and Inequalities introduces students to the graphs of quadratics, teaches them to find the vertex, intercepts, discriminant, domain and range and interpret the graph in relation to these qualities. It also introduces students to the focus and directrix of parabolas, how to use a sign number line to find the shape of a graph, and other topics that might be found as exercises in homework. Topics include:

Quadratic Equations and Inequalities
124 videos 7h 19m 8s
Inverse, Exponential and Logarithmic Functions
158 videos 8h 25s

Conic Sections

FREE

Conic sections covers the definitions, formulas or algebraic representations, and graphs of circles, ellipses and hyperbolas, as well as applications to nonlinear equations Topics include:

Conic Sections
52 videos 3h 13m 3s

Sequences and Series

Sequences and Series teaches students how to define, notate and interpret different types of series and sequences, such as arithmetic and geometric, and how to use mathematical induction in proofs and on their homework. Topics include:

Sequences and Series
91 videos 5h 12m 9s

Combinatorics

Combinatorics teaches an introduction to probability, and helps students to learn how to do problems that involve permutations, combinations and counting taking into account independent and dependent events, and uses exercises that students might find on their homework, including word problems that involve choosing cards or rolling dice. Topics include:

Combinatorics
37 videos 1h 44m 8s

Additional Topics

Additional Topics covers material that many students need help with but that are not usually covered as their own topic in a textbook. It teaches students about step functions, calculators, covers some of the common mistakes made by students in an Algebra 2 class and how to notate and interpret piecewise functions. Topics include:

Additional Topics
19 videos 46m 6s

Real Numbers

Real Numbers teaches the definition and properties of real numbers and how to analyze data using problems that apply to every day life, such as those involving mean, median, mode and percentiles. Topics include:

Real Numbers
9 videos 20m 25s

Linear Equations

Linear Equations reviews concepts related to the topic and provides a student with help solving practice problems, including how to solve for a parameter and how to solve various word problems found in many Algebra 2 textbooks and homework. Topics include:

Linear Equations
26 videos 1h 36m 20s

Linear Inequalities

Linear Inequalities reviews the concepts related to the topic and uses lectures and practice problems to teach students methods of solving inequalities and their applications, notating the solutions with unions and intersections, and how to deal with absolute values within the inequality. Topics include:

Linear Inequalities
15 videos 34m 15s

Exponents

Exponents will help students learn how to work with exponential expressions and equations and use the rules and properties of exponents relating multiplication, division, zeros and negatives. It also teaches students how to use scientific and standard notation. Topics include:

Exponents
14 videos 40m 19s