# Rational Exponents 2

Taught by YourMathGal
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Part of video series
Meets NCTM Standards:
Lesson Summary:

In this Rational Exponents 2 lesson, the instructor explains the meaning of a fractional exponent and provides examples using different bases, including negative and positive numbers. By following the flower power rule, where the denominator represents the root and the numerator represents the power, students can easily solve problems with rational exponents. The lesson also covers negative exponents and the formal definition of rational exponents.

Lesson Description:

Part 2 covers the meaning of a fractional exponent, and provides examples.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

• What are rational exponents?
• What does b^1/n mean?
• Why is b^1/n equal to the nth root of b?
• Why does 8^1/3 equal the cube root of 8 which equals 2?
• Why happens if you have a fractional exponent with a number other than 1 in the numerator?
• What does 8^2/3 mean?
• What does b^m/n mean?
• Why does b^m/n mean the nth root of b raised to the m power?