Using symbols for solutions to equations

x² = 9

• x = 9

• x = 9 or -9

• = x = 3 or -3

• x = 3

Solve.
  x² = √-100

• x = 10i
• x = ± 10i
• x = ±10
• x = √10

Solve...............x² = -100

• 10 and -10

• √-100

• √-10, √10

• No Real Solution

What is the solution of n²-49=0?

• -7
• 7
• ± 7
• no solution

• 3.64

• 4.36

• -12.36

• 12.36

• -4.36

Solve.

-3x² = 99

• x= ±3

• x= ±33

• No Real Number Solutions

• x= -33

Solve for x.

x² = 121

• 11²

• x = 11 and -11

• x = 11

• 11

Solve:

x² = 121

• 60.5

• ± 11

• ± 12

• 11

Classify the following:
√13?

• Rational
• Irrational

 $x^2-100=0$  

• x=5, -5

• x=100, -100

• x=25, -25

• x=10, -10