Rational Equations

Question 1

The following equation is being multiplied by the LCD. Complete the multiplication to eliminate the denominators.The resulting equation is x + 2 – 1 = x – 33x(x + 2) – (x – 2) = x – 3(x – 2)(x + 2) – 1 = (x – 3)(x – 2)✔ (x – 2)(x + 2) – 3x = (x – 2)(x – 3)

Revolt · Accepted Answer

✔ (x – 2)(x + 2) – 3x = (x – 2)(x – 3)

Question 2

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

Revolt · Accepted Answer

a = 5, a = 1

Question 3

x = ⇒ 5

Revolt · Accepted Answer

5

Question 4

15(a2 – 1) = 5(2a – 2)15(2a – 2) = 5(a2 – 1)15(a2 – 1)(2a – 2) = 5(2a – 2)(a2 – 1)

Revolt · Accepted Answer

15(2a – 2) = 5(a2 – 1)

Question 5

15 a2 − 1 = 5 2a − 2 Which equation results from cross-multiplying?

Revolt · Accepted Answer

5; 1

Question 6

The extraneous solution is a = .

Revolt · Accepted Answer

1

Question 7

Question 7

Revolt · Accepted Answer

7; -2

Question 8

Solve: The solution is a =

Revolt · Accepted Answer

1/6

Rational Equations Answers

More from this Course

TRY EDGENUITY HACKS