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14-02-2017
Mathematics

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Is the line through points P(8, 3) and Q(4, 2) parallel to the line through points R(–5, –5) and S(–1, –2)? Explain.

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SuperExtra0418 SuperExtra0418

14-02-2017

First you have to find the slope of each line to find out if they are parallel.
8 - 4 = 4
3 - 2 = 1
The slope of PQ is 4

-5 - -1 = -4
-5 - -2 = -3
The slope of RS is 4/3

The slopes aren't equal so the lines aren't parallel.

Hope this helps!!! :)

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