1.

The point of intersection of diagonals of a square ABCD is at the origin and one of its vertices is at A(4, 2). What is the equation of the diagonal BD?

A. 2x + y = 0
B. 2x - y = 0
C. x + 2y = 0
D. x - 2y = 0
Answer» B. 2x - y = 0


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