What is the significance of the constant C in the equation of a circle?
Expanding the Equation of a Circle: Finding the Center and Radius
Interactive Video
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Mathematics
•
9th - 10th Grade
•
Hard
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The video tutorial explains the general equation of a circle and demonstrates how to expand it using the grid or foil method. It covers rearranging the equation, substituting variables, and condensing terms to a single numerical value. The tutorial also explains how to calculate the center and radius of a circle from the expanded form and provides an example problem to illustrate these concepts.
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3 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
How can you compare the expanded form of a circle's equation to its factorized form?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe how to calculate the radius of a circle from its expanded equation.
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