LT-4a CYU Equation of Circle (Complete the Square) (fall)

Front

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

Back

Front

How do you find the center of a circle from its equation?

Back

Front

What is the radius of a circle in standard form?

Back

Front

How do you rewrite the equation of a circle in standard form?

Back

To rewrite the equation of a circle in standard form, group the x and y terms, complete the square for each, and rearrange the equation.

Front

What does completing the square involve?

Back

Front

Back

The center is (-3, 6) and the radius is 4 units.

Front

What is the significance of the center in a circle?

Back

The center of a circle is the point from which all points on the circle are equidistant.

Front

How do you determine the radius from the standard form of a circle?

Back

The radius can be determined by taking the square root of the constant on the right side of the standard form equation.

Front

What is the relationship between the coefficients in the general form of a circle's equation and its center?

Back

Front

Back