Solving Equations with Roots

x² = 100

• 10

• 10 or -10

• 50

• 50 or -50

2d² = 162

• d = 9

• d ≅ ± 9

• d = ± 9

• d = ± 12.7

Solve x² = 16

• 4

• 4, -4

• 256

• 49, -49

• 9.89, -9.89

• 7, -7

• 24.5 , -24.5 

• 7, -7 

• 8, -8

• No Real Solutions

• 9, -9

• -2 and 2

• -4 and 4

• -12 and 12

• -8 and 8 

y² = 144

• 14

• 12

• -12

• -12 and 12