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1-4 Writing Equations and Inequalities

1-4 Writing Equations and Inequalities

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Author: Hector Soto
Description:
  • Define appropriate quantities for the purpose of descriptive modeling.
  • Create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational, absolute, and exponential functions.
  • Represent constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpret solutions as viable or non-viable options in a modeling context.
     
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Tutorial

Think and Write

After watching the video, answer these questions in your notes:
 

1. Write an algebraic inequality that shows someone how to find out how many movie tickets you can buy if they are $9.25 each and you have $42.00 on you.

2. Write your own story that would result in this algebraic equation: x over 25 equals 500

Source: Hector Soto

Write Equations and Inequalities

Source: mziemnik