Skip to main content
Back

Precalculus Study Notes: Rational Expressions, Radicals, Linear Equations, and Complex Numbers

Study Guide - Learn with Videos

Curated lessons matched to your uploaded material – learn every topic step by step.

Rationalize Denominator

  • Rationalizing Denominators
    2:58
  • Rationalizing Denominators Using Conjugates
    03:42

Simplifying Radical Expressions

  • Expanding Radicals
  • Radical Expressions with Fractions
    05:45
  • Adding & Subtracting Unlike Radicals by Simplifying
    5:48

Multiplying Polynomials

  • Multiply Polynomials Using the Distributive Property
    04:15
  • Special Products - Square Formulas
    04:14
  • Special Products - Cube Formulas
    03:41

Linear Equations

  • Guided course
    Solving Linear Equations with Fractions
    04:02
  • Guided course
    Introduction to Solving Linear Equations
    07:48
  • Guided course
    Categorizing Linear Equations
    06:00

Complex Numbers

  • Guided course
    Introduction to Complex Numbers
    03:31
  • Guided course
    Dividing Complex Numbers
    04:22
  • Guided course
    Complex Conjugates
    05:33

The Imaginary Unit

  • Guided course
    Square Roots of Negative Numbers
    05:02

Powers of i

  • Guided course
    Powers of i
    04:10
  • Guided course
    Higher Powers of i
    05:10