Question

What is the equation of a circle with center (1, 3) and radius 4?
A. ( − 1)ଶ
+ ( − 3)ଶ = 16
B. ( + 1)ଶ
+ ( + 3)ଶ = 25
C. ( − 1)ଶ
+ ( − 3)ଶ = 5
D. ( + 1)ଶ
+ ( + 3)ଶ = 25

Answer 1

Answer:

the equation of circle is

$x {}^{2} + y {}^{2} - 2x - 6y = 6|$

formula for equation of Circle --

$r {}^{2} =( x - h) {}^{2} + (y - k) {}^{2}$