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Equation of a Line Parallel to a Straight Line

The slope of ...

Question

The slope of the line, $l_{2}$ is $5$ and $l_{1}$ and $l_{2}$ are parallel. Find the slope of $l_{1}$

A

-5

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B

5

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C

1

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D

-1

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Solution

The correct option is A 5
Since the two parallel lines have equal slopes, therefore slope of $l_{1}$ should be equal to slope of $l_{2}$ .
It is given that slope of $l_{2}$ is $5$ ,
Hence, the slope of $l_{1}$ is $5$

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