One more unit until HSAs PROPORTIONS

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One more unit until HSAs!PROPORTIONS

• Sections 3.8, 11.1, 11.2

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Ratio

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

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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???

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Proportions

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

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Group Check