Solving inequalities in 2 variables
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Solving Inequalities in 2 Variables. Thursday, February 6, 2014. What are the rules?. How do you graph a line? You graph an inequality basically the same way… you need to isolate y. If it can’t be equal, it’s like a regular inequality when you graph… the open circle becomes a dotted line.

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Solving Inequalities in 2 Variables

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Solving inequalities in 2 variables

Solving Inequalities in 2 Variables

Thursday, February 6, 2014


What are the rules

What are the rules?

  • How do you graph a line?

  • You graph an inequality basically the same way… you need to isolate y.

  • If it can’t be equal, it’s like a regular inequality when you graph… the open circle becomes a dotted line.

  • If it can be equal, then like the closed circle, your line is solid.


Let s try graphing and solving

Let’s try graphing and solving…

  • Graph and pick a point. Does the point satisfy the inequality?

  • Do a few more. Do you see a pattern?

  • Are the answers above or below the line?

  • When?


Where do you shade

Where do you shade?

  • If it’s greater, shade above.

  • If it’s less than, shade below.


Practice practice

Practice, Practice.

  • Practice during class with your learning partner.

  • Practice at home by yourself.

  • Complete a total of 20 problems.


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