Straight lines
Find the distance between the points (3, 4) and (7, 1).
Find the center of the circle with equation (x−2)2+(y+3)2=16
(2,-3)
Find the midpoint of the line segment joining the points (-3, 2) and (5, -4).
=(1,−1)
Find the radius of the circle with equation (x−2)2+(y+3)2=16
r=4
Find the equation of the line passing through the points (-1, 3) and (4, 6).
y=3/5 x+ 18/5.
Find the equation of a circle passing through the points (−1,2),(3,−4) and (5,6).
a