18-10-2016
Mathematics

contestada

is this parallel or perpendicular

y=4x+5 and y=-1/4x+4

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Аноним Аноним

18-10-2016

It would be I think perpendicular but don't take my word on it cuz I might be wrong....

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apologiabiology apologiabiology

18-10-2016

y=mx+b
m=slope
paralelll ines have slopes that multiply to -1
first one is y=4x+5, slope is 4
2nd one is y=-1/4x+4, slope is -1/4

4≠-1/4
4 times -1/4=-1
they are perpendicular

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