Roxandymaria Roxandymaria
  • 25-10-2016
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When dealing with inequalities, and you're on a number line, what's the difference between a close and open dot?

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koalagabi2 koalagabi2
  • 25-10-2016
An open dot means the answer does not include that number in the solution. A closed dot means the number is included in the solution.
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