A line has a slope of - 3



(a) What is the slope of a line that is parallel to the given line? 
= _____________

(b) What is the slope of a line that is perpendicular to the given line? 

= ____________


I thought it was 0 and or -60

Guest Oct 3, 2018

parallel means same slope


if line has slope \(m\), then perpendicular line has slope \(m_{\perp} = - \dfrac{1}{m}\)

Rom  Oct 3, 2018

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