Find the Radius, Center, and Equation of a Circle -- Part 1
This video provides a little background information and three examples of how to find the center and radius of a circle, given an equation. These problems require completing the square. The last example has coefficients on x^2 and y^2! To review completing the square, check out: • Factoring Polynomials #12.5 -- Perfect Squ... Grab a pen and paper and work along with the video! Remember, you can pause and rewind whenever you want! 0:00 Origin of the Circle Equation 4:57 Changing Form of the Equation 8:25 Example #1 12:05 Example #2 16:36 Algebra Background 21:24 Example #3
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