Math Help Online Topics

Select a math help online topic below for related video and math help pages.

Absolute Value Functions

Transformations of the absolute value parent function

Solving absolute value equations

Solving absolute value inequalities

Exponential Functions

Using basic rules of exponents

Using fractional exponents and re-writing as roots and powers

Solving for missing variables in the exponents

Solving exponential equations for X

Factoring

Factoring the difference of squares 1

Factoring the difference of squares 2

Factoring the sum and difference of cubes 1

Factoring the sum and difference of cubes 2

Factoring trinomials with a lead coefficient of 1

Factoring trinomials with lead coefficients other than 1

Factoring a four-term polynomial

Finding Inverses

Finding inverses of linear equations and graphs

Finding inverses of quadratics and square root functions

Function Behavior

Piecewise functions

Even and odd functions using exponents

Even and odd functions algebraically

Even and odd functions using graphs

End behavior using graphs and tables

Increasing and decreasing intervals

Interval notation

Inequalities

Solving compound inequalities using and or or

Logarithmic Functions

Rewriting logarithms to exponential form

Solving log equations by rewriting in exponential form

Four properties of logs

Using properties of logs to solve log equations

Solving logs of all bases with a calculator

Solving log equations with a calculator

Using the inverse to graph the log parent function

Graphing more complex log functions

Finding domain and range of log functions

Parent Functions

Functions and function notation

Parent functions and representations

Basic Algebra parent functions

More advanced parent functions 1

More advanced parent functions 2

Domain and range of basic parent functions

Domain and range of more advanced parent functions

Inverse parent functions

Polynomials

Polynomials-definition, naming and terms

Finding and using the degree of a polynomial

Adding and subtracting polynomials

Multiplying polynomials

Dividing a polynomial by a monomial

Using polynomial long division without remainders

Using polynomial long division with remainders

When and how to use polynomial synthetic division 1

Using synthetic division 2

Rational Functions

Adding rational expressions with different denominators

Subtracting rational expressions with different denominators

Multiplying rational expressions

Dividing rational expressions

Solving rational equations

Solving more complex rational equations

Translations of the rational parent function

Reflections and vertical stretches of the rational parent function

Vertical compressions and multiple transformations of the rational parent

Finding vertical asymptotes

Finding horizontal asymptotes

Removable discontinuities

Square Root Functions

Solving square root equations

Solving basic square root inequalities

Solving more complex square root inequalities

Transformations of the square root parent (translations and reflections)

Transformations of the square root parent (stretches and compressions)

Systems of Equations

Solving 2×2 systems of equations by graphing

Solving 2×2 Systems of equations by substitution

Solving 2×2 Systems of equations by combination/elimination

Solving 3×3 Systems of equations algebraically

Variation

Direct variation

Inverse variation