Circle Equation Flashcard II

Front

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

Back

Front

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

Back

Front

Back

The center of the circle is (1, -2).

Front

Back

The radius of the circle is 5.

Front

Back

Front

How do you graph a circle given its equation?

Back

Identify the center (h, k) and radius r, then plot the center and draw a circle with radius r around it.

Front

Back

The radius of the circle is 3.

Front

What is the significance of the values h and k in the circle equation?

Back

The values h and k represent the x and y coordinates of the center of the circle, respectively.

Front

Write the equation of a circle with center at (0, 0) and radius 7.

Back

Front

Back

The length of the radius is 6.