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Equation of a Line Parallel to a Straight Line

If l1 | |l...

Question

If $l_{1} | | l_{2}$ and the slope of $l_{1}$ is 3/4, then the slopes of $l_{2}$ is .......... .

A

\frac{3}{4}

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B

\frac{- 3}{4}

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C

\frac{4}{3}

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D

\frac{- 4}{3}

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Solution

The correct option is A $\frac{3}{4}$
Fact: If two lines are parallel then their slope will be same

Hence slope of $l_{2}$ will also be $\frac{3}{4}$

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Q. The slope of the line,

l_{1}

\frac{- 3}{5}

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, then the the slope of

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L_{1} : \frac{x - 1}{2} = \frac{y - 2}{3} = \frac{z - 3}{4}

L_{2} : \frac{x - 2}{3} = \frac{y - 4}{2} = \frac{z - 5}{5}

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\frac{x + 3}{- 3} = \frac{y + 7}{2} = \frac{z - 6}{4}

respectively A and B are two points on

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