Solving Rational Equations Extraneous Solutions

Solve for r

• 5
• - 5, 4
• - 5
• 5, 4

Solve and check for extraneous solutions

• x=5
• x= -5
• No Solution

Solve by cross-multiplying.

• x = -1, 5
• No Solution
• x = -4, 5
• x= -4

Identify the LCD.

• x²(x - 2)
• x(x - 2)
• x
• (x - 2)

Solve for x

• 4

• 2

• -2

• -4

Solve for x

• x = -3
• x = -3, 5
• x = 3, 5
• x = 5

What is the least common multiple of

3x²-27 and 5x²+10x-75?

• 3(x+3)(x-3)(x+5)

• 15(x+3)(x+3)(x+5)

• 15(x+3)(x-3)(x+5)

• 5(x+3)(x-3)(x+5)

Solve!

• x = 4
• x = -5
• x = 5.4
• x = 6

Solve for x

• 2
• 0, 3
• 0, - 7/2
• 0, 2

• A

• B

• C

• D