Dividing Rational Expressions Quiz

What is the first step in dividing rational expressions?

• Add the numerators

• Multiply by the reciprocal

• Subtract the denominators

• Divide the numerators

In example 1, what is the simplified form of 10n/9 divided by 13n^2/16?

• 160/117n

• 117/160n

• 160n/117

• 117n/160

In example 2, what is the simplified result of 16n/17 divided by 8n/6?

• 8/17

• 17/8

• 17/12

• 12/17

In example 3, what is the simplified form of 2/7 divided by 18/8x^2?

• 63x^2/8

• 8/63x^2

• 63/8x^2

• 8x^2/63

In example 4, what is the simplified result of 12/7 times 11r/4?

• 7/33r

• 7r/33

• 33/7r

• 33r/7

In example 5, what is the simplified form of 7/18 times 9a/6?

• 7/12a

• 12a/7

• 7a/12

• 12/7a

In example 6, what is the simplified result of 5/20 times 3/5x?

• 20x/3

• 3/20x

• 20/3x

• 3x/20

In example 7, what is the simplified form of 4n/(n-6) times (8n-48)/4n?

• n

• 8n

• 8

• n-6

In example 8, what is the simplified result of 3/28b times (b+1)/3?

• b+1/28b

• 28b/(b+1)

• 28/(b+1)b

• b/28b+1

What is the key technique used in simplifying rational expressions with binomials?

• Canceling common factors

• Subtracting denominators

• Adding numerators

• Multiplying by zero