Determine whether the graphs of the pair of lines are parallel5x - y = 254y - 20x = - 4

K Sarath asked Mar 2, 2023

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K Sarath asked Mar 2, 2023

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28 votes

We will have the following:

We will solve for y in each function first:

$4y=20x-5\Rightarrow y=5x-(5)/(4)$

From this we can see that their slopes are equal, thus the lines will be parallel.

Dthorpe answered Mar 6, 2023

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