geometry

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

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  1. 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.

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