Lesson 2-2 Roots and Equations

x² = 121

• 11,-11
• 11
• -11
• 10,-10

Tags

CCSS.8.EE.A.2

x² = 36

• 6
• 18
• 6, -6
• -6

Tags

CCSS.8.EE.A.2

x² = 225

• 5,-5
• 15
• -15,15
• -5

Tags

CCSS.8.EE.A.2

The area of a square is 36 cm².  What is the length of one side?

• 6 cm
• 24 cm
• 9 cm
• 9 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

The area of a square is 100 cm².  What is the perimeter?

• 25 cm
• 10 cm
• 40 cm
• 50 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Solve x² = 16

• 4
• 4, -4
• 256

Tags

CCSS.8.EE.A.2

Solve x² = 4

• 16
• 16, -16
• 2
• 2, -2

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

What is the cube root of 8?

• 4
• 2
• -2
• -4

Tags

CCSS.8.EE.A.2