Notes Over 11.1

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Notes Over 11.1
Proportions Vocabulary
Proportion
- an equation that states that
two ratios are equal.
- the
product of the extremes equals the product of the
means.
Cross Product Property
If
then
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Notes Over 11.1
Using the Cross Product Property and Checking
Solutions
Solve the proportion and check for extraneous
solutions.
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Notes Over 11.1
Using the Cross Product Property and Checking
Solutions
Solve the proportion and check for extraneous
solutions.
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Notes Over 11.1
Using the Cross Product Property and Checking
Solutions
Solve the proportion and check for extraneous
solutions.
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Notes Over 11.1
Writing and Using a Proportion
4. You are making a scale model of a sailboat.
The boat is 20 feet long and 15 feet high. Your
scale model will be 18 inches high. How long will
it be?
in.
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Notes Over 11.1