Graphing Circle Functions

Practice Questions

Algebra II › Graphing Circle Functions

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1

What are the coordinates of the center of a circle with the equation ?

2

What is the radius of a circle with the equation ?

3

Give the radius and the center of the circle for the equation below.

$(x-3)^{2}+(y + 4)^2 = 16$

4

Which equation does this graph represent?

Screen shot 2020 08 26 at 9.01.59 am

5

Which equation does this graph represent?

Screen shot 2020 08 26 at 8.40.10 am

6

What is the radius of a circle with the equation ?

7

Determine the graph of the equation

8

The graph of the equation

$x^{2} + y^{2} + 10x - 8y = 84$

is a circle with what as the length of its radius?

9

What is the center of the circle expressed by the funciton $\small x^2+4x+y^2=5$ ?

10

$\small f(x)=(x-2)^2+(y+5)^2=36$

What is the radius of the circle?

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