Solve each inequality. Check your solution. 1. –3x ≥ 9 2. 3. 20k > 300 Solve each inequality. Graph the solution set on a number line. 4. 4p + 3 ≤ –1 5.

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Solve each inequality. Check your solution. 1. –3x ≥ k > 300 Solve each inequality. Graph the solution set on a number line. 4. 4p + 3 ≤ – Javier earns $1.50 for every magazine subscription he sells. He needs $35 to go on a trip with the travel club. Write an inequality to show the number of subscriptions he needs to sell to achieve his goal? Course 2, Lesson 6-8

ANSWERS 1. x ≤ –3 2. y < k > p ≤ –1 5. n > x ≥ 35

WHAT does it mean to say two quantities are equal? Expressions and Equations Course 2, Lesson 6-8

7.EE.4 Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities. 7.EE.4b Solve word problems leading to inequalities of the form px + q > r or px + q < r, where p, q, and r are specific rational numbers. Graph the solution set of the inequality and interpret it in the context of the problem. Course 2, Lesson 6-8 Common Core State Standards © Copyright National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. Expressions and Equations

Mathematical Practices 1 Make sense of problems and persevere in solving them. 2 Reason abstractly and quantitatively. 3 Construct viable arguments and critique the reasoning of others. 4 Model with mathematics. 5 Use appropriate tools strategically. Course 2, Lesson 6-8 Common Core State Standards © Copyright National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. Expressions and Equations

To solve two-step inequalities Course 2, Lesson 6-8 Expressions and Equations

Course 2, Lesson 6-8 Expressions and Equations two-step inequality

How did what you learned today help you answer the WHAT does it mean to say two quantities are equal? Course 2 Lesson 6-8 Expressions and Equations

How did what you learned today help you answer the WHAT does it mean to say two quantities are equal? Course 2 Lesson 6-8 Expressions and Equations Sample answer: To solve two-step inequalities by applying the properties of inequality

Write about the similarities and differences between solving two-step equations and two-step inequalities. Ratios and Proportional RelationshipsExpressions and Equations Course 2 Lesson 6-8