Geo Unit 9 Review Guide 3/26

What is the value of x?

• 18
• 8
• 10
• 30

What is the length of TR?

• 4
• 6
• 9
• 11

In the diagram, two tangents to the circle share a common external point. Solve for the value of "x"

• 8
• 9
• 6
• 5

• 33
• 18
• 46
• 16

• 8
• 6
• 9
• 10

• A
• B
• C
• D

Circle O has a center at (3,1) and a diameter of 10 units. Which point lies on circle O?

• (3,-4)

• (-3,-1)

• (5,1)

• (8,0)

What is the correct graph for the equation x²+y²=4?

• 
• 
• Answer is in none of the given

• 

The equation (x+3)²+(y-5)²=r² represents circle A. The point B(0,6) lies on the circle. What is r, the length of the radius of circle A?

• √13

• 2

• 10

• √10