NC Math 3 Review: Circles

Front

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

Back

Front

How do you complete the square for the equation of a circle?

Back

To complete the square, rearrange the equation to group x and y terms, then add and subtract the necessary constants to form perfect squares.

Front

Back

The center is (-3, 6) after completing the square.

Front

Back

Front

How do you find the diameter of a circle from its endpoints?

Back

Front

What is the area of a circle with radius r?

Back

Front

What is the formula for the circumference of a circle?

Back

Front

How do you determine the area of a sector of a circle?

Back

Front

What is the relationship between the radius and diameter of a circle?

Back

Front

What does it mean for a circle to be in standard form?

Back