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Determine which of the lines, if any, are parallel or perpendicular. Explain. line a passes through 2,10 and 4,13 line b passes through 4,9 and 6,12 line c passes through 2,10 and 4,9

User Doug Fawley
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1 Answer

21 votes
21 votes

Answer: Lines a and b are parallel

Explanation:

The slope of line a is
(13-10)/(4-2)=(3)/(2).

The slope of line b is
(12-9)/(6-4)=(3)/(2).

The slope of line c is
(10-9)/(2-4)=-(1)/(2).

Since lines a and b have the same slope, they are parallel.

User Vikas Verma
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