CP Geo Unit 6 Review Questions

Simplify

 $\left(3\sqrt{7}\right)^2$  

• 21

• 63

• 294

• 441

Simplify

 $\sqrt{60}$  

•  $4\sqrt{15}$  

•  $2\sqrt{15}$  

•  $2\sqrt{5}$  

•  $2\sqrt{3}$  

Simplify


 $\frac{7\sqrt{3}}{\sqrt{12}}$  

•  $\frac{7}{4}$  

•  $\frac{7}{2}$  

•  $\frac{7\sqrt{36}}{12}$  

•  $\frac{7\sqrt{2}}{4}$  

What is the arithmetic mean of 6 and 15?

• 10.5

• 9.5

• $3\sqrt{10}$

• $9\sqrt{10}$

What is the geometric mean of 6 and 15?

• 10.5

• 9.5

• $3\sqrt{10}$

• $9\sqrt{10}$

12 is the geometric mean between 18 and what number?

• 6

• 7

• 8

• 9

Convert 5' 3" to inches.

• 60"

• 62"

• 63"

• 61"

 $m\angle KIE=99\degree$  
 $m\angle1:m\angle2=5:6$  
 $m\angle2=?$  

• 9 $\degree$  

• 45 $\degree$  

• 54 $\degree$  

• 63 $\degree$  

ABCD~EGCF

What is the scale factor? (big:small)

• 8:3

• 24:9

• 40:15

• 9:5