Group 4:Anissa Fitri I.R, Christin Efrata S,

Dyah Trisnawaty and Levina Mutia

Present

THE GENERAL EQUATION OF A CIRCLE

Based on the Q as a circle with center of we get : +

According to the Q we have explained before, could be written as:

+

And the simple form is

Where:

So, the general Q of A circle is:

With the center of

example

• Express the following circle in the general Q form! and

Answer:

So, the general Q form and is:

• Determine the circle’s center and radius if given the following Q:

Answer:

center:

Radius:

So, the circle’s center and radius

is and

(Source: Mathematics by Yudhistira page 162)