Divide And Conquer Math
For teachers Save your spot / Sign in
Divide And Conquer Math
Home  /  Precalculus: Mathematics for Calculus (8e)  /  Chapter 1 · Fundamentals
Section 1.5

Equations

Linear, quadratic, rational, radical equations; absolute value equations.

44 lessons. Pick what you need.

Navigate the Course:
Chapter 1 · Fundamentals
Lesson

Lesson on the Basics of Linear Equations

Lesson

Lesson on Linear Equations with No Solution or Infinite Solutions

Examples

Examples of the Basic Linear Equations

Lesson

Lesson on Getting Rid of Fractions from Linear Equations

Examples

Example of Clearing Fractions from Linear Equations Without Parentheses

Examples

Example of Clearing Fractions from Linear Equations with Parentheses

Lesson

Lesson on Getting Rid of Decimals in Linear Equations

Examples

Examples of Getting Rid of Decimals from Linear Equations with No Parentheses

Examples

Examples of Getting Rid of Decimals in Linear Equations with Parentheses

Lesson

Lesson Reviewing All the Ways to Solve Quadratic Equations

Review

Reviewing the 4 Ways to Solve Quadratic Equations

Lesson

Lesson on Choosing the Best Method to Solve a Quadratic

Lesson

Lesson Reviewing the Discriminant

Lesson

Lesson Reviewing How to Solve for Quadratic Variables

Lesson

Lesson on Solving Quadratic Equations by Factoring

Lesson

Lesson on Solving Quadratic Equations with the Square Root Property

Lesson

Lesson on Solving Quadratic Equations by Completing the Square

Examples

Examples of the Distance Formula

Lesson

Lesson on the Quadratic Formula

Lesson

Lesson on the Discriminant

Lesson

Lesson: Equations that End Up with Quadratic Equations

Lesson

Lesson on Equations that Act Like Quadratics (how to use the substitution method for quadratic form)

Lesson

Lesson Reviewing Solving Rational Equations

Lesson

Lesson Reviewing How to Solve Radical Equations (or Equations with Rational Exponents)

Lesson

Lesson Reviewing Equations in Quadratic Form

Lesson

Lesson on Solving Rational Equations in 1 Variable

Lesson

Lesson on Solving Formulas with Rational Equations

Lesson

Lesson Reviewing the 3 Ways to Use the LCD with Rational Expression Problems

Examples

Examples of When or Why You Can Cross-Multiply

Lesson

Lesson on Proportion Problems

Lesson

Lesson on Work Problems

Lesson

Lesson on Distance, Rate, and Time Problems

Lesson

Lesson on Solving Radical Equations with One Square Root

Lesson

Lesson on Solving Radical Equations with Two Square Roots

Lesson

Lesson on Radical Equations with Higher Roots

Lesson

Lesson Reviewing Absolute Value Equations and Inequalities

Lesson

The Basics of Solving Absolute Value Equations

Lesson

Lesson on Absolute Value Equations with No Solution

Examples

Examples of Solving Absolute Value Equations

Examples

Examples Explaining Why Only One Side is Negative with Solving Absolute Value Equations

Lesson

Lesson on Solving Absolute Value Inequalities

Lesson

Lesson on Special Cases for Absolute Value Inequalities

Examples

Examples on Absolute Value Inequalities

Examples

Examples: Putting Everything Together and Another Explanation of Special Cases, Slower-Paced