Intermediate Algebra: Determining the Center and Radius of a Circle by Completing the Square

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Watch the introductory video for the sample problem of this lesson.

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Practice Solving the problems.
Print the worksheet and work through each problem.
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1

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (2:19)Difficulty: 3Type: Problem
2

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (2:12)Difficulty: 3Type: Problem
3

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (2:19)Difficulty: 3Type: Problem
4

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (2:27)Difficulty: 3Type: Problem
5

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (3:47)Difficulty: 3Type: Problem
6

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (2:33)Difficulty: 3Type: Problem
7

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (2:05)Difficulty: 3Type: Problem
8

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (1:38)Difficulty: 3Type: Problem
9

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (2:03)Difficulty: 3Type: Problem
10

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (3:57)Difficulty: 4Type: Problem
11

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (2:20)Difficulty: 4Type: Problem
12

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (4:37)Difficulty: 4Type: Problem
13

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (4:52)Difficulty: 4Type: Problem
14

Determine the coordinates of the center and radius of each circle by completing the square in each equation.

Play VideoSee Video Solution (4:48)Difficulty: 4Type: Problem
4

Watch the solution videos to see which problems you go right on the worksheet. Watch and understand the step-by-step solution videos to the problems you did not answer correctly and see if you can understand where you made mistakes.