What is the centre and radius of this circle?
(-1;5) r=6
What is the centre and radius of this circle?
(6;-2) r=6/5
What is the centre and radius of this circle?
not a circle
What is the centre and radius of this circle?
(-3;0) r=7
What is the centre and radius of this circle?
(-5;0) r=5
What is the centre and radius of this circle?
(-2;-1) r=sqrt(5)
What is the centre and radius of this circle?
(6;-10) r=sqrt136
What is the centre and radius of this circle?
(-10;2) r=7
Is this point on the circle line?
yes
Is this point on the circle line?
No
Is this point on the circle line?
yes
Is this point on the circle line?
No
What is equation of this circle?
(x-1)^2+y^2=16
What is the equation of this circle?
x^2+y^2=1
What is the equation of this circle?
x^2+y^2=16
What is the equation of this circle?
(x-1)^2+(y+3)^2=16
