One more unit until HSAs PROPORTIONS - PowerPoint PPT Presentation

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One more unit until HSAs PROPORTIONS

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Usually expressed in simplest form. Simplifying on a graphing calculator? Rate. Ratio comparing two quantities in different units ... – PowerPoint PPT presentation

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Title: One more unit until HSAs PROPORTIONS


1
One more unit until HSAs!PROPORTIONS
  • Sections 3.8, 11.1, 11.2

2
Ratio
  • Compares two numbers using division (same units)
  • a/b, a to b, ab
  • Usually expressed in simplest form
  • Simplifying on a graphing calculator?

3
Rate
  • Ratio comparing two quantities in different units
  • UNIT RATE rate per one unit of a given quantity
    denominator must be 1
  • mph, cost per gallon, others???

4
Proportions
  • An equation that states that two ratios are
    equal.
  • Solve using cross products
  • Equation
  • Inverse
  • Solution

5
Group Check
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