# VIDEOS for INTERMEDIATE ALGEBRA

Below are the links to videos showing you examples of how perform various task in an Intermediate Algebra course.

### Rational Expressions & Equations

Taking out the GCF (02:19)

Factoring GCF – 2 Variables (02:11)

Factoring By Grouping (02:30)

AC Method of Factoring (5:06)

Difference of Perfect Squares (01:47)

Factoring – Sum of Perfect Cubes (02:31)

Factoring - Difference of Perfect Cubes (02:11)

Simplifying Rational Expressions (06:32)

Multiplying Rational Expressions (11:44)

Dividing Rational Expressions (06:43)

Adding Rational Expressions (06:08)

Subtracting Rational Expressions (07:12)

Domain of Rational Functions (06:10)

Solving Rational Equations #1 (03:52)

Solving Rational Equations #2 (Domain issue with "solution") (5:53)

Word Problems - Pythagorean Theorem (05:11)

Word Problems - Work Problems (03:16)

### Complex Numbers & Quadratic Formula

Simplifying Radicals - When the Radicand is Perfect (05:21)

Simpfying Radicals - When the Radicand is NOT Perfect (09:38)

Rational Exponents (10:54)

Multiplying Radicals - Like Index (02:09)

More Multiplication of Radicals (08:44)

Rationalizing Denominators (07:22)

More Rationalizing Denominators (05:02)

Adding and Subtracting Radicals (04:09)

General Example (03:37)

Solving Radical Equations (07:13)

More Solving Radical Equations (05:15)

Simplifying Powers of "i" (04:22)

Adding and Subtracting Complex Numbers (04:11)

Multiplying Complex Numbers (08:46)

Division of Complex Numbers (07:52)

Equality of Complex Numbers (02:57)

Completing the Squares (12:36)

Quadratic Formula Part 1 (11:25)

Quadratic formula on the TI 83 (4:35)

Understanding the Discriminant (10:47)

### Exponential Functions

Adding Polynomials (06:06)

Subtracting Polynomials (08:15)

Multiplication of Polynomials (13:51)

Composition of Functions (08:58)

Rules for Exponents Part 1 (09:25)

Rules for Exponents Part 2 (11:35)

Converting Exponent to/from Logarithmic Form (04:32)

Investment Problems (08:57)

Logarithms and Change of Base (03:15)

Word Problems and Logarithms (06:20)

### Graphing (Linear, Quadratic Logarithmic and Exponential Functions)

Determining the Center and Radius of a Circle (03:16)

Determining the Equation of a Circle (05:55)

Graphing Linear Functions (08:52)

Graphing Quadratic Functions (17:29)

Graphing Exponential Functions (15:46)

Graphing Logarithmic Functions (11:37)