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1.5 - Linear Equations and Inequalities

Author: Kyle Webb

Point-Slope, Slope Intercept and Standard Forms

Parallel and Perpendicular Lines

How do you know if two lines are parallel?

Their slopes are the same!

 

How do you know if two lines are perpendicular?

When you multiply their slopes, you get -1

or The slopes are multiplicative inverses

or The perpendicular slope is the negative reciprocal

PART 2

PART 2

An Introduction To Solving Linear Inequalities

Using Interval Notation to Express Inequalities

Graphing Linear Inequalities

Solving Linear Compound Inequalities