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16. Determine the D, E and F of the general equation of the circle with
center A(2, 4) and a radius of 6 units.
A. -4,-8, -16 B. -4,8, -16 C. -4,-8,16 D. 4,8, -16
Determine the D
r
of the
1​


Sagot :

Answer:

A. -4,-8, -16

Step-by-step explanation:

You can use the general relationship for the equation of a circle of center at (h,k) and radius r as:

(x−h)2+(y−k)2=r2

In your case:

(x−2)2+(y−4)2=62

x2−4x+4+y2−8y+16=36

x2+y2−4x−8y−16=0

Hope it helps you.