geometry
posted by Anonymous .
ABCD is a rectangle. A is the point (0,1). c is the point (0,6) the equation of the straight line through A and B is y=2x+1.
(a)Find the equation of the straight line through D and C

CD//AB
m1 = 2 = Slope of AB.
m2 = 1/2 = slope of CD.
Y = (1/2)0 + b = 6,
b = 6.
Eq: Y = (1/2)X + 6.