Writing Equations of a Circle

Front

What is the standard form of the equation of a circle?

Back

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Back

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Back

The center of the circle is at the point (-4, 1).

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Back

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Front

What is the general equation of a circle with center at (2, -3) and radius 5?

Back

Front

What does the variable 'r' represent in the circle equation?

Back

The variable 'r' represents the radius of the circle.

Front

What is the significance of the point (h, k) in the circle equation?

Back

The point (h, k) represents the center of the circle.

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Back

Front

What is the first step in converting a general form equation of a circle to standard form?

Back

The first step is to group the x and y terms and move the constant to the other side.