SOLUTION: For what value of a is the graph of 5y = ax + 7 perpendicular to the
graph of by + 3x = 12?
Algebra.Com
Question 310277: For what value of a is the graph of 5y = ax + 7 perpendicular to the
graph of by + 3x = 12?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Put both lines in slope-intercept form,
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Perpendicular lines have slopes that are negative reciprocals,
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