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Mathematics 7 Online
OpenStudy (anonymous):

"Find the equation of the line that is perpendicular to 4x + 7y = 13 and passes through point (-2,6). (Hint: put 4x + 7y = 13 into slope intercept FIRST.)" http://i.imgur.com/zbBDn.png - Pic Related to the problem

OpenStudy (anonymous):

slope of \(ax+by=c\) is \(-\frac{a}{b}\) in your case it is \(-\frac{4}{7}\) so a perpendicular line will have slope \(\frac{7}{4}\)

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