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Explore solving equations and inequalities using graphs, symbols, and numbers. Practice with real-world scenarios like calculating earnings and volume. Review key concepts for TAKS/STAAR.
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Texas Algebra I Lesson 9: More on Solving Equations TAKS/STAARpractice Instructor: Mrs. Young
Lesson Objectives:TEKS: A1.a, A1c, A1d • Use the graphs, tables, pictures, etc. to represent a given verbal situation. • Use symbols and numbers to represent a given verbal situations. • Solve problems that arise from the given problem situation.
Released TAKS A waitress at a local restaurant earns $3.25 per hour plus tips. In two weeks she earned a total of $720, including $531.50 in tips. How many hours did the waitress work during this 2-week period?
Work the problem • Identify the unknown; Define your variables • Identify key information in the problem • Write your equation • Check for truth value • Answer the question!
Example 2 Which expression best describes the volume of a rectangular prism that has a width of 3a 3 bc 4 units, a length of 7a 5 b 2c 2 units, and a height of 4ab 3c units?
Work the problem • Identify the unknown; Define your variables • Identify key information in the problem • Write your equation • Check for truth value • Answer the question!
Released TAKS • Go to lesson attachments • Circled questions we’ve covered-equations • Rectangled questions are similar-inequalities • Inequality-A mathematical expression which shows that two quantities are not equal. ( >, >, ≥, ≤, or ≠)
Lesson Objectives:Review • Use the graphs, tables, pictures, etc. to represent a given verbal situation. • Use symbols and numbers to represent a given verbal situations. • Solve problems that arise from the given problem situation.