Applying roots

Solve.
k² - 6 = 43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• no solution

Tags

CCSS.8.EE.A.2

What is the difference between the area of square A and square B?

Square A has side lengths of 5 cm and square B has side lengths of 7 cm.

• 2 cm²

• 4 cm²

• 16 cm²

• 24 cm²

Tags

CCSS.8.EE.A.2

9k² = 225

• 4
• 4, -4
• 25, -25
• -5, 5

Tags

CCSS.8.EE.A.2

What is the area of this semicircle (half circle)? The diameter is 8 cm.

• 100.48 cm²

• 80 cm²

• 200.96 cm²

• 25.12 cm²

Tags

CCSS.8.EE.A.2

-9k²=-144

• +4

• +8

• +3

• +6

Tags

CCSS.8.EE.A.2

Identify the equation that has an IRRATIONAL solution.

• y² = 25

• y² = 100

• y² = 20

• y² = 81

Tags

CCSS.8.EE.A.2

• 9

• -9

• 8.8 

Tags

CCSS.8.EE.A.2

 $4-3i$  

What is the conjugate of the following:

•  $4-3i$  

•  $4+3i$  

Tags

CCSS.8.EE.A.2

x² + 5 =69

• x = 8

• x = ±8

• x = -4

• x = ±4

Tags

CCSS.8.EE.A.2

What is the square root of 169?

• No Real Solutions

• x = 13

• x = 14

• x = -13

• x = -14

Tags

CCSS.8.EE.A.2