03:20 duration 3 minutes 20 seconds
Identifying numbers as rational or irrational
A brief description of the difference between rational and irrational numbers followed by examples of number in both categories.
02:06 duration 2 minutes 6 seconds
Rational exponents: Negative exponents and…
Rational exponents: Negative exponents and fractional bases
Two examples of how to deal with negative fractional exponents