Unit 3: Linear Equations — MathPath

What You'll Learn

Slope: what it means, how to calculate it, types of slope
Forms of a line: slope-intercept, point-slope, standard form
Graphing linear equations from their equation
Solving systems of equations by substitution
Solving systems of equations by elimination

Lessons

1

Slope and Rate of Change

Rise over run · Positive, negative, zero, undefined slope
2

Forms of a Linear Equation

Slope-intercept form · Point-slope form · Standard form
3

Graphing Linear Equations

Using intercepts · Using slope-intercept form · Parallel and perpendicular lines
4

Systems of Equations: Substitution

Setting up systems · Substitution method · Checking solutions
5

Systems of Equations: Elimination

Elimination method · Special cases: no solution, infinite solutions

Unit Quiz

Test your mastery of linear equations and systems with the Unit 3 checkpoint.

Take the Quiz →

Start Lesson 1 →