If (– 4, 5) is one vertex and 7x – y + 8 = 0 is one diagonal of a – McqOptions

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1.	If (– 4, 5) is one vertex and 7x – y + 8 = 0 is one diagonal of a square, then the equation of the other diagonal is
A.	x + 7y = 21
B.	x + 7y = 31
C.	x + 7y = 28
D.	x + 7y = 35
Answer» C. x + 7y = 28

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