Activity 15 Inequalities TEST February 4 th over Equations and Inequalities

1/30 Warm Up  What do the following symbols mean?  Less than, greater than, less than or equal to, greater than or equal to <>≤≥

15-1 Representing Situations with Inequalities L.T. “Code Words” p. 188 Practice Today I can… 1.Write inequalities to represent word problems 2.Use substitution to see if a number makes an inequality true 3.Graph solution set of inequalities p. 188 Try These A (a-d)

15-1 Continued… What is a solution to an inequality? Is there only one solution to an inequality? Give two solutions to the following inequalities

15-1 Continued…Graph Solutions How to Graph solutions… “No bar on the door the door is open. Bar on the door the door is closed.” Practice Real World Problems p. 190 Try These B (a-c) p. 191 (a-g) InequalityClosed/Ope n Left/Right <Open Circle Left >Open Circle Right ≤Closed Circle Left ≥Closed Circle Right

2/2 Warm Up in Journal  Create a Venn Diagram to Compare Equations and Inequalities 

2/ Solve One Step Inequalities L.T. Use Code Words to write an inequality Practice Today I can… 1.Write one-step inequalities 2.Solve One-step Inequalities 3.Graph solution to inequalities In Class p (a-c) 1.Which amount is the total? (Right Side) 2.What is the code word for the operation? (Left Side) 3.What is the code word for inequality symbol Find the number of students that can still sign up for pilot training if there space for at most 25 and 12 have already signed up. (Pair Share)

15-2 Continued… How to solve Inequalities? Examples How do you graph solution? Practice Same steps as solving Equations. YEAH!!!!!! 1.Locate Variable 2.Isolate by using Inverse Operations 3.Check Point, does your solution make the sentence true? p. 195 Try These G Follow the Chart from “No bar on the door the door is open. Bar on the door the door is closed.” p. 195 Try These H (a-c)