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Mathematics 8 Online
OpenStudy (anonymous):

If a = -12/5, then 5x + 2y = 6 and 3x - ay = 4 are parallel.

OpenStudy (lgbasallote):

nice to know

OpenStudy (anonymous):

Find the slope of the line that passes through the points (2, 1) and (-4, -5).

OpenStudy (anonymous):

2x+3y=5 -> y= (-2/3)x + 5/3 5x-2y=6 -> y= (5/2)x - 3 If the slope is the same then they're parallel. If the slope is the opposite sign and reciprocal then they're perpendicular. Since the two lines exhibit neither of these two characteristics, the answer is neither.

OpenStudy (anonymous):

Linear Equation in 2 variables

OpenStudy (anonymous):

yeah

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