SOLUTION: in circle C, QR is the diameter, and Q(1,8) and C(3.5,2) aer the points on a coordinate plane. Find and state the coordinates of point R. the other end of the diameter.

Algebra ->  Circles -> SOLUTION: in circle C, QR is the diameter, and Q(1,8) and C(3.5,2) aer the points on a coordinate plane. Find and state the coordinates of point R. the other end of the diameter.      Log On


   



Question 614429: in circle C, QR is the diameter, and Q(1,8) and C(3.5,2) aer the points on a coordinate plane. Find and state the coordinates of point R. the other end of the diameter.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi
Pt%283.5%2C2%29 is the Midpoint of Q(1,8)and R(x,y)
Midpoint Pt(x,y): ( %28x%5B1%5D+%2B+x%5B2%5D%29%2F2, %28y%5B1%5D+%2B+y%5B2%5D%29%2F2++%29)
Q(1,8)
R(x,y) (1+x)/2=3.5, x = 6 and (8+y)/2 = 2, y = -4
R(6,-4)is the pt at the other end of the diameter QR