Quiz about Unit 12 Circles in a Coordinate Plane Test Review

Question 1

Question 1.

Accepted Answer

20 degrees

Answer

40 degrees

Answer

60 degrees

Answer

10 degrees

Question 2

What arc does angle F intercept?

Accepted Answer

Option E is correct

Answer

A.

Answer

B.

Answer

C.

Answer

D.

Question 3

Find the value of x. Round to the nearest tenth.

Accepted Answer

3.2

Answer

32

Answer

12

Answer

320

Question 4

Find the value of angle y.

Accepted Answer

$$59^{\degree}$$

Answer

$$41.5^{\degree}$$

Answer

$$118^{\degree}$$

Question 5

Find the value of angle z.

Accepted Answer

$$41^{\degree}$$

Answer

$$82^{\degree}$$

Answer

$$62^{\degree}$$

Answer

$$144^{ }$$

Question 6

Find the value of c using the given chord and secant lengths in the diagram shown to the left. Round answer to nearest tenth.

Accepted Answer

23.6

Answer

14.9

Answer

2.1

Answer

8.1

Question 7

Write the standard equation for the circle

whose center is at (7,1) and whose radius is at 4.

Accepted Answer

$$\left(x-7\right)^2+\left(y-1\right)^2=16$$

Answer

$$\left(x+7\right)^2+\left(y+1\right)^2=4$$

Answer

$$\left(x+7\right)^2+\left(y+1\right)^2=16$$

Answer

$$\left(x-7\right)^2-\left(y+1\right)^2=4$$

Question 8

What is the center of the following equation:

$$\left(x-1\right)^2+y^2=36$$

Accepted Answer

(-1,0)

Answer

(1,0)

Answer

(0,1)

Answer

(0,-1)

Question 9

What is the radius of the following equation:

$$\left(x-1\right)^2+y^2=36$$

Accepted Answer

6

Answer

36

Answer

1

Answer

-1

Question 10

Write the standard form of the equation of the circle to the left.

Accepted Answer

$$\left(y+1\right)^2+\left(y+1\right)^2=49$$

Answer

$$\left(x-1\right)^2+\left(y-1\right)^2=7$$

Answer

$$\left(y-1\right)^2+\left(y-1\right)^2=49$$

Unit 12 Circles in a Coordinate Plane Test Review

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