Solving Equations with Square Roots and Extraneous Roots

√196 = ______

• 14

• 14²

• 15

• 15²

Tags

CCSS.8.EE.A.2

x² = 121
What does x equal?

• 11²

• 11 and -11

• 20 and 11

• 12 and 1

Tags

CCSS.8.EE.A.2

• x = 49
• x = 53
• x = 45
• x = 18

• x = 5
• x = -6
• x = 14
• x = -1

Tags

CCSS.HSA.REI.A.2

• x = 2
• x = 4
• x = 7
• x = 9

Tags

CCSS.HSA.REI.A.2

The extraneous solution of the equation is...

• −5

• −8

• −10

• −4

Tags

CCSS.HSA.REI.A.2

• x = 81
• x = -9
• x = 9
• x = -81

The extraneous solution of the equation is...

• −3

• −5

• −6

• −10

Tags

CCSS.HSA.REI.A.2

• x = 12
• x = 24
• x = 144
• x = 121

Tags

CCSS.8.EE.A.2

Solve the square root equation:

• A

• B

• C

• D

Tags

CCSS.HSA.REI.A.2