SOLUTION: if the graph of the equation ax + 3y =9 is perpendiculer to 3x + y =-4 whats the value of a

SOLUTION: if the graph of the equation ax + 3y =9 is perpendiculer to 3x + y =-4 whats the value of a

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Question 349605: if the graph of the equation ax + 3y =9 is perpendiculer to 3x + y =-4 whats the value of a
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the slope of each line by convert to slope-intercept form, .

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Perpendicular lines have slopes that are negative reciprocals,

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