#3-1: Solving Equations with Square/Cube Roots

How do you solve the equation:  $x^2\ =\ 100$  

• Take  $100^2$  

• Take  $\sqrt{100}$  

• Multiply 100 by 2 

Tags

CCSS.8.EE.A.2

 $y^3=125$  
Find the value of y

• 5

• 15

• 20

• 25

Tags

CCSS.8.EE.A.2

Solve x² = 16

• 4
• 4, -4
• 256

Tags

CCSS.8.EE.A.2

x² = 121

• 11,-11
• 11
• -11
• 10,-10

Tags

CCSS.8.EE.A.2

 $64\ =\ a^3$  

• 4

• 4,-4

• -4

Tags

CCSS.8.EE.A.2

Solve x² = 4

• 16
• 16, -16
• 2
• 2, -2

Tags

CCSS.8.EE.A.2

Solve √x = 9

• 3
• 81
• 81, -81
• 9

Tags

CCSS.HSA.REI.A.2

CCSS.HSN.RN.A.2

 $m^3\ =\ -512$  

• 8

• 8, -8

• -8

Tags

CCSS.8.EE.A.2

Solve x² = 9

• 3, -3
• 3
• 81
• -81

Tags

CCSS.8.EE.A.2

How many solutions do Squared Equations have?  Example:  $m^2=16$  

• 1

• 2

• 3

Tags

CCSS.8.EE.A.2