01:53 duration 1 minute 53 seconds
Restriction on a variable in a denominator: Linear
Division by zero is not possible, so this shiows how to determine what variable value(s) are not alloowed to be inserted into a particular fraction in algebra.
00:58 duration 58 seconds
Exponents and fractions
Thisi describes why and how we apply an exponent to the numerator and denominator of a fraction