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OpenStudy (anonymous):

A line contains the points (3, -1) and (-1, 2). Another line graphed in the same coordinate plane contains the points (2,0) and (-2,3). Based on the slope of these lines, are they parallel, perpendicular or neither?

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OpenStudy (anonymous):

they r parallel becoz they hav the same slope which is 3/-4

OpenStudy (anonymous):

<3

OpenStudy (anonymous):

Calculate the slope of the lines. If they are parallel, they will have the same slope. If they are perpendicular, the slopes will be inverses of each other (for example, -2 and 1/2 are perpendicular slopes). In other words, if you multiply the slopes together and get -1, they are perpendicular.

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