SOLUTION: state the radius of the circle defined by each equation and give the coordinates of one point on the circle. a) x^2+y^2= 49 b) x^2+y^2= 1.44

Algebra ->  Linear-equations -> SOLUTION: state the radius of the circle defined by each equation and give the coordinates of one point on the circle. a) x^2+y^2= 49 b) x^2+y^2= 1.44      Log On


   

Question 840194: state the radius of the circle defined by each
equation and give the coordinates of one point
on the circle.
a) x^2+y^2= 49
b) x^2+y^2= 1.44
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Compare to the general equation of a circle centered at (h,k) with radius, R.
%28x-h%29%5E2%2B%28y-k%29%5E2=R%5E2
a) R%5E2=49, points on the circle include (R,0), (0,R),(-R,0),(0,-R)
b) R%5E2=1.44, points on the circle include (R,0), (0,R),(-R,0),(0,-R)