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Asked by Anonymous

are these two lines perpendicular?

x+2y=5
2x+4y=7

How do I determine if these two are perpendicular?
16 years ago

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Answered by Laura
perpendicular lines have negative reciprocal slopes such as 3 and -1/3
so put them into y=mx+b form and see.
16 years ago
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are these two lines perpendicular?

x+2y=5
2x+4y=7

How do I determine if these two are perpendicular?

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