Mastering Multiplication and Division of Rational Expressions

What is the first step in multiplying rational expressions?

• Add the numerators

• Cross simplify

• Multiply straight across

• Divide the denominators

When cross simplifying 3/8 and 4/5, what is the simplified form of 4/8?

• 3/10

• 4/5

• 1/2

• 2/4

In the expression 7/49, what is the simplified form?

• 1/49

• 1/7

• 7/1

• 7/7

What is the greatest common factor (GCF) of 14 and 12?

• 7

• 2

• 6

• 12

How do you simplify the expression x^2/x?

• x

• x^2

• 1/x

• x^3

What is the simplified form of the expression R^2/R?

• 1/R

• R

• R^3

• R^2

What is the GCF of the binomial 4B - 12?

• B

• 4

• 12

• 2

What is the first step in dividing rational expressions?

• Multiply straight across

• Cross simplify

• Rewrite the division as multiplication

• Add the numerators

What is the reciprocal of the fraction 3/4?

• 1/3

• 3/4

• 4/1

• 4/3

In the expression 8/40, what is the simplified form?

• 4/20

• 2/5

• 1/5

• 2/10