P(3, 1) and R( - 7, 5) are vertices of a rhombus PQRS. What is the equation of diagonal QS?

P(3, 1) and R( - 7, 5) are vertices of a rhombus PQRS. What is the equ

1.	P(3, 1) and R( - 7, 5) are vertices of a rhombus PQRS. What is the equation of diagonal QS?
A.	5x - 2y = 16
B.	5x - 2y = - 16
C.	5x + 2y = - 16
D.	5x + 2y = 16
Answer» C. 5x + 2y = - 16

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P(3, 1) and R( - 7, 5) are vertices of a rhombus PQRS. What is the equation of diagonal QS?

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