Mastering Multiplication and Division of Rational Expressions

What is the first step in solving the given problem?

• State the domain

• Divide the denominators

• Multiply the numerators

• Simplify the expression

Which values make the expression undefined?

• a, b, x, or y equal to 0

• a, b, x, or y greater than 0

• a, b, x, or y equal to 1

• a, b, x, or y less than 0

How can the domain be described?

• All real numbers

• All real numbers except negative numbers

• All real numbers except 1

• All real numbers except 0

What is the result of multiplying the numerators 3x^2y and 14a^2b?

• 42a^2b

• 42x^2y

• 42x^2ya^2b

• 42a^2bx^2y

What is the result of multiplying the denominators 2ab and 18xy^2?

• 36ab

• 36xy^2

• 36abxy^2

• 36a^2b^2xy^2

What is the simplified form of 14 divided by 2?

• 8

• 7

• 6

• 9

What happens when you divide x^2 by x?

• 1

• x

• x^2

• x^3

What is the simplified form of y over y^2?

• 1/y

• y

• 1

• y^2

What is the final simplified numerator of the expression?

• 7a

• 7a^2x

• 7ax

• 7ax^2

Why must the domain constraints be maintained in the final expression?

• To change the expression

• To make the expression simpler

• To allow different values for variables

• To ensure the expression is defined