+128408 3.
a)
In the form ( x - h)^2 + (y - k)^2 = r^2 .... we can write this as
(x - 0)^2 + ( x - (-5) )^2 = 9
The center is ( h , k) = ( 0 , -5) ....so Jenna is incorrect
b) 9 = r^2 ...so the radius is the square root of this = 3 units
So....the diameter is twice this = 6 units
Raul is incorrect, as well !!!
