April 18 - Equations of Circles

Front

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

Back

Front

How do you find the radius from the equation of a circle?

Back

Front

Back

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

Front

Back

Front

Back

Front

Back

The center is (4, -5).

Front

What is the equation of a circle with radius 2 and center (3, 4)?

Back

Front

What is the equation of a circle with radius 8 and center (-1, -2)?

Back

Front

How do you convert the general form of a circle's equation to standard form?

Back

To convert, complete the square for both x and y terms.

Front

What does the term 'completing the square' mean in the context of circles?

Back

Completing the square involves rewriting a quadratic expression in the form of a perfect square trinomial.