Two lines $l_{1}$ and $l_{2}$ with respective slopes $m_{1}$ and $m_{2}$ are parallel if | ClassNotes | Ace Your Exams

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Sep 18, 2022

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Two lines $l_{1}$ and $l_{2}$ with respective slopes $m_{1}$ and $m_{2}$ are parallel if:

Difficulty: Easy

A:

$m_{1}=m_{2}$

B:

$m_{1}=\frac{1}{m_{2}}$

C:

$m_{1}=-\frac{1}{m_{2}}$

D:

$m_{1}m_{2}+1=0$

NET NUST Entry Test Mathematics Introduction to Analytical Geometry