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Solve each inequality. Graph the solution set on a number line. 1. 3a + 3 < 12 2. 8y + 2 > –22 3. –5m – 5 ≤ 30 4. 5. Ann has only $10 to spend on carnival.

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Presentation on theme: "Solve each inequality. Graph the solution set on a number line. 1. 3a + 3 < 12 2. 8y + 2 > –22 3. –5m – 5 ≤ 30 4. 5. Ann has only $10 to spend on carnival."— Presentation transcript:

1 Solve each inequality. Graph the solution set on a number line. 1. 3a + 3 < 12 2. 8y + 2 > –22 3. –5m – 5 ≤ 30 4. 5. Ann has only $10 to spend on carnival rides. Each ride ticket costs $0.50. Ann wants to save at least $4 for food and drinks. Write and solve an inequality to find the number of ride tickets Ann can buy. Interpret the solution. Course 2, Lesson 7-1

2 ANSWERS 1. a < 3 2. y > –3 3. m ≥ –7 4. z ≥ 125 5. 10 – $0.5r ≥ 4; r ≤ 12; Ann can buy at most 12 ride tickets.

3 HOW does geometry help us describe real-world objects? Geometry Course 2, Lesson 7-1

4 Course 2, Lesson 7-1 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. Geometry 7.G.5 Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure. Mathematical Practices 1Make sense of problems and persevere in solving them. 3Construct viable arguments and critique the reasoning of others. 4Model with mathematics. 7Look for and make use of structure.

5 To name and identify angles To find a missing angle measure Course 2, Lesson 7-1 Geometry

6 Course 2, Lesson 7-1 Geometry vertex right angle acute angle obtuse angle straight angle vertical angles congruent adjacent angles

7 Course 2, Lesson 7-1 Geometry symbol angle congruent

8 Course 2, Lesson 7-1 Geometry Words Model Symbols Two angles are if they are opposite angles formed by the intersection of two lines. Vertical angles are congruent vertical or have the same measure.

9 Course 2, Lesson 7-1 Geometry Words Model Symbols Two angles are adjacent if they Adjacent angle pairs share a common vertex, a are common side, and do not overlap

10 How did what you learned today help you answer the Course 2, Lesson 7-1 Geometry HOW does geometry help us describe real-world objects?

11 How did what you learned today help you answer the Course 2, Lesson 7-1 Geometry HOW does geometry help us describe real-world objects? Sample answers: To use types of angles when describing real-world objects To find and use angle measures when describing real- world objects

12 Use your own words to write a definition for vertical and adjacent angles. Course 2, Lesson 7-1 Ratios and Proportional RelationshipsFunctionsGeometry

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