<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

# Equations of Circles

## (x - h)^2 + (y-k)^2 = r^2

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Video

## Equations of Circles - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Circles and Inequalities - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Equations of Circles - Example 1

by CK-12 //basic
Write the equation of a circle given a center and radius
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Equations of Circles - Example 2

by CK-12 //basic
Write the equation of a circle given a center and solution point
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Equations of Circles - Example 3

by CK-12 //basic
Write the equation of a circle given two endpoints of a diameter
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Circles and Inequalities - Example 1

by CK-12 //basic
Graphing Inequalities of Circles
MEMORY METER
This indicates how strong in your memory this concept is
0
Please wait...
Please wait...