Solving Radical Equations

• 20

• 11

• 4

• -2

• 9

• -9

• 21

• -21

• 14

• -14

• 6

• -6

• x = 12
• x = 24
• x = 144
• x = 121

x = -6

x = 3

x = -3

x = 5±

• x = -6

• x = 3

• x = -3

• x = 5±

Solve the radical equation. Don't forget to check your answers!

• x = -6

• x = 3

• x = 7/3

• x = -5

solve for x:

Mathematical Equivalence

ON

Solve for x; identify extraneous solutions (if any).

• x = 17

• x = 5

• x = 3

• no solution; x = 5 is extraneous

Solve the radical equation

• 25

• 50

• 125

• 5

Solve for x. Check for extraneous solutions.

• x = 1

• x = -2

• x = 1 & x = -2

• both extraneous (no solution)