Chapter 4 - Powers and Roots

What 2 integers does

 $\sqrt{56}$  fall between.

• 5 and 6

• 6 and 7

• 7 and 8

• 8 and 9

What is the expanded form for

 $\left(3a\right)^3$  

•  $3\cdot a\cdot a\cdot a$  

•  $3a\cdot3a\cdot3a$  

•  $9a^3$  

•  $27a$  

Evaluate the following expression: $\left(-\frac{1}{3}\right)^3$  

•  $-\frac{1}{9}$  

•  $\frac{1}{9}$  

•  $-\frac{1}{27}$  

•  $\frac{1}{27}$  

Find the product of the following expression: $-3b^3\cdot-5b$  

•  $-8b^3$  

•  $8b^4$  

•  $15b^3$  

•  $15b^4$  

Evaluate $a^3-b^2+18$  

if a = 4 and b = 8.

• -3

• -21

• 14

• 18

Which of the following are square numbers?

• 9

• 121

• 169

• 200

Which of the following is a cube number?

• 1

• 16

• 33

• 45

What is the cube root of 8?

• 2
• 4
• 1
• 6

Tags

CCSS.8.EE.A.2

Simplify: 7⁹ x 7⁶

• 7¹⁵
• 7¹⁶
• 7³
• 7¹⁴

Tags

CCSS.4.NBT.B.5

Solve for x.

• x = 4/3

• x = 9/4

• x = 9/16

• x = 3/16

Tags

CCSS.8.EE.A.2