All High School Math Resources
Example Questions
Example Question #1 :Understanding Rational Expressions
Solve:
Ifvaries directly as, andwhen, findwhen.
Possible Answers:
Correct answer:
Explanation:
The formula for a direct variation is:
Plugging in our values, we get:
Example Question #2 :Understanding Rational Expressions
If two boxes have the same depth and capacity, the length is inversely proportional to the width. One box islong andwide. A second box (same depth and capacity) islong. How wide is it?
Possible Answers:
Correct answer:
Explanation:
The formula for an indirect variation is:
Plugging in our values, we get:
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