Question

What is the radius of a circle whose equation is (x 5)2 (y-3)3 42?O 2 unitso 4 unitsO 8 units16 unitsSave and ExitMark this and returnNextSubmit

Answer 1

so what you marked there this 4 units this is true so you are right sure 

hope this will help you 

Answer 2

we know that

the equation of the circle is of the form

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

where

(h,k) is the center of the circle

r is the radius of the circle

in this problem we have

$(x+5)^{2} +(y-3)^{2} =4^{2}$

so

the center is the point $(-5,3)$

the radius is $4\ units$

therefore

the answer is

The radius of the circle is equal to $4\ units$