SOLUTION: the line 3x+ky=-4 is to be perpendicular to the line 3x-y=7. find the value of k
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Question 349533: the line 3x+ky=-4 is to be perpendicular to the line 3x-y=7. find the value of k
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Convert both lines to slope intercept form, .
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Perpendicular lines have slopes that are negative reciprocals,
Substituting,
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