Practice problem
What are the radius and the center of the circle from the equation (x−5)2−(y+7)2=4\left(x-5\right)^2-\left(y+7\right)^2=4(x−5)2−(y+7)2=4 ?
r=2 , C(5, 7)
r=2 , C(5,-7)
r=2 , C(-5, 7)
r=2 , C(-5 , -7)
r=16 , C(5, 7)
r=16 , C(5,-7)
r=16 , C(-5,7)
r=16 , C(-5,-7)
N/A
Type a concept, like “slope” or “photosynthesis”.