For the lines \[2x+5y=7\]and \[2x-5y=9,\]which of the following statem

1.	For the lines \[2x+5y=7\]and \[2x-5y=9,\]which of the following statement is true
A.	Lines are parallel
B.	Lines are coincident
C.	Lines are intersecting
D.	Lines are perpendicular
Answer» D. Lines are perpendicular

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For the lines \[2x+5y=7\]and \[2x-5y=9,\]which of the following statement is true

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