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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

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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