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40 votes
What slope would make the linesPerpendicular? Y= -1/6x -3 Y= [?]x + 1

User Samuel Huylebroeck
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1 Answer

21 votes
21 votes

Given the equation of the line in slope-intercept form:


y=mx+b

where 'm' defines the slope of the line, we can find the perpendicular slope using the following expression:


m_p=-(1)/(m)

In this case, we have the following equation of the line:


y=-(1)/(6)x-3

notice that the slope is m = -1/6. Then, using the expression for the perpendicular slope, we have:


\begin{gathered} m_p=-(1)/(-(1)/(6))=6 \\ m_p=6 \end{gathered}

therefore, the equation of the line that is perpendicular to y = -1/6x - 3 is:


y=6x+1

User Adergaard
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