22-04-2018
Mathematics

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If a gradient of line a is 4 what is the gradient of the line perpendicular to a

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22-04-2018

[tex]\bf \textit{perpendicular, negative-reciprocal slope for}\quad 4\implies \cfrac{4}{1}\\\\ negative\implies -\cfrac{4}{ 1}\qquad reciprocal\implies - \cfrac{ 1}{4}[/tex]

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