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Are the following two lines perpendicular y=1/2x+9 and y=1/2x+3
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Are the following two lines perpendicular y=1/2x+9 and y=1/2x+3

User Coo
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When lines have the same slope they are parallel.
When lines have opposite reciprocal slopes, they are perpendicular.

The slope of both of these lines is 1/2, therefore the lines are parallel.
User Jan Zerebecki
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When lines have the same slope they are parallel.
When lines have opposite reciprocal slopes, they are perpendicular.

The slope of both of these lines is 1/2, therefore the lines are parallel.
User Weekend
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8.7k points
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