Extraneous Solutions

• x = 0

  5 is extraneous

• x = 5

  0 is extraneous

• x = -2

  3 is extraneous

• x = 3

  -2 is extraneous

Solve the equation. Make sure to check for extraneous solutions.

• x = 1

  9 is extraneous

• x = 3

  -2 is extraneous

• x = 9

  1 is extraneous

• x = -2

  3 is extraneous

• x = 7

  -8 is extraneous

• x = -8

  7 is extraneous

• x = 4

  14 is extraneous

• no solution

• 2

• 1

• -2

• 0

Solve and check for extraneous solutions

• x= - 3 &x= -8

• x= -3 & -8 is extraneous 

• No Solution

• x= -8 & -3 is extraneous 

Solve and check for extraneous solutions

• x=7 & -2 is extraneous 

• x= -2 and 7 is extraneous

• No Solution

Solve and check for extraneous solutions

• x=3 & x=-1

• x=3 & -1 is extraneous

• No Solution

• x=-1 & 3 is extraneous

• x=-3 & 1 is extraneous

Solve and check for extraneous solutions

• x=5

• x= -5

• No Solution

Solve and check for extraneous solutions

• k = 20

• k = -20

• No Solution

• k = 3

• 0

• -5

• 5

• 2