嗨gh School Math : Understanding Rational Expressions

Study concepts, example questions & explanations for High School Math

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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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