Agenda: Warm-Ups Go over yesterday’s quiz

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Presentation transcript:

Agenda: Warm-Ups Go over yesterday’s quiz Notes on “Solving Linear Inequalities in Two Variables”

Acc. Coordinate Algebra / Geometry A Day 21 - Notes UNIT QUESTION: How do I justify and solve the solution to a system of equations or inequalities? Standard: MCC9-12.A.REI.1, 3, 5, 6, and 12 Learning Target: Students will know where to shade when graphing linear inequalities. Standard: MCC9-12.A.REI.12

Solving Linear Inequalities in two variables Coordinate Plane

Half plane A region containing all points that has one boundary, which is a straight line that continues in both directions infinitely.

Steps for Graphing Inequalities Get in slope-intercept form Determine solid or dashed line Determine whether to shade above or shade below the line (Test Points) If the test point is true, shade the half plane containing it. If the test point is false, shade the half plane that does NOT contain the point.

Symbols Shade above > 

Symbols Shade below < 

Symbols Dashed Line < >

Symbols Solid Line  

Ex.1

Ex. 2

Ex. 3

Ex. 4

Homework Worksheet