3 years ago

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

1 answer:

5 0

$\bf \textit{perpendicular, negative-reciprocal slope for}\quad 4\implies \cfrac{4}{1}\\\\
negative\implies -\cfrac{4}{ 1}\qquad reciprocal\implies - \cfrac{ 1}{4}$

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