Question

1.
Find the equation of the circle when the centre C and radius r given by
a) c =(-1,8); r = 5
b) c = (-7, -3); r = 10
Find the centre and the radius of the circle
x + y2 + 6x + 8y - 96 = 0
12.
3.
a) If the radius of the circle x + y2 -8.x+10y + k = 0 is 7, find the value of K.
b) Find the centre and radius of the circle passing through (5, 4), (4,3), (7,0).​

Answer 1

Answer:

ooh it is so difficult sorry