What do I have to know to multiply and divide rational expressions

The video tutorial covers the multiplication and division of rational expressions, starting with a review of multiplying and dividing fractions. It explains the importance of simplifying fractions and introduces the concept of using reciprocals for division. The tutorial emphasizes the need to understand the rules of exponents and various factoring techniques, such as factoring out the greatest common factor and using special products. Finally, it discusses simplifying rational expressions by applying the division property, ensuring expressions are in their simplest form.

What is the result of multiplying 3/4 by 2/5?

• 1/2

• 5/8

• 3/10

• 6/20

When dividing fractions, what is the first step you should take?

• Add the fractions

• Multiply the numerators

• Take the reciprocal of the divisor

• Subtract the fractions

Which of the following is a property of exponents?

• Addition property

• Subtraction property

• Division property

• Reciprocal property

What is the greatest common factor (GCF) of 12 and 16?

• 8

• 6

• 4

• 2

Which technique is used to simplify the expression (x^2 - 1)/(x^2 - 1)?

• Multiplication property

• Reciprocal property

• Division property

• Addition property