SOLVING SQUARE ROOTS AND CUBIC ROOTS EQUATIONS

Solve for x:

  $x^2\ =\ 16$  

• x =  $\pm$  6

• x =  $\pm$  4

• x =  $\pm$  7

• x =  $\pm$  2

Solve for x:

  $x^2\ =\ 25$  

• x =  $\pm$  5

• x =  $\pm$  3

• x =  $\pm$  15

• x =  $\pm$  7

Solve for x:

  $x^2\ =\ 81$  

• x =  $\pm$  8

• x =  $\pm$  10

• x =  $\pm$  9

• x =  $\pm$  7

Solve for x:
 $x^3=216$  

• x = 8

• x = 72

• x = 4

• x = 6

x² = 121
What does x equal?

• 11²
• 11 and -11
• 20 and 11
• 12 and 1

What is the square root of 324?

• 16
• 17
• 18
• 19

x² = 100

• 10

• 10 or -10

• 50

• 50 or -50

√ 16 

• 8
• 3
• 4
• 6

√100

• 10
• 200
• 5
• 25

x² = 36

• 6
• 18
• 6, -6
• -6