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lines through each pair of points are paralell, perpendicular, or neither. (2, 4) and (6, 1); (1, -2) and (-3, 1)

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asked Jul 6, 2017 in PRE-ALGEBRA by anonymous
reshown Jul 7, 2017 by goushi

1 Answer

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The points are image

Find the points are parallel, perpendicular, or neither.

Find Slope:

image

Substitute image in the slope formula.

image

Substitute image in the slope formula.

image

If two lines are parallel, then slope is image

Perpendicular lines slope is image

Check the lines are parallel or perpendicular.

image

Therefore, Those lines are parallel.

answered Jul 7, 2017 by Anney Mentor

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