Adding and Subtracting Rational Expressions

Question 1

The following equation is being multiplied by the LCD. Complete the multiplication to eliminate the denominators.The resulting equation is

Revolt · Accepted Answer

D: (x – 2)(x + 2) – 3x = (x – 2)(x – 3)

Question 2

Question 2

Revolt · Accepted Answer

B: 15(2a – 2) = 5(a2 – 1)

Question 3

Rewrite as a proportion.Which of these proportions is equivalent to the original equation?

Revolt · Accepted Answer

C:

Question 4

Solve the original equation by solving the proportion. The solutions are

Revolt · Accepted Answer

D: 1, 6

Question 5

The solutions to 15(2a – 2) = 5(a2 – 1) are:

Revolt · Accepted Answer

C: a = 5, a = 1

Question 6

Which of the solutions are extraneous?

Revolt · Accepted Answer

C: Neither

Adding and Subtracting Rational Expressions Answers