the equation of lime k is y = -1/5x-1/8 what is the equation of the line that us perpendicular to lime k and passes through (0,0)

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19-10-2016
Mathematics

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the equation of lime k is y = -1/5x-1/8 what is the equation of the line that us perpendicular to lime k and passes through (0,0)

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bcalle bcalle · Answer 1 · 2016-10-19T22:31:47+02:00

bcalle bcalle

19-10-2016

Since the line will be perpendicular the slope will be the opposite reciprocal of -1/5 which is 5. Using the ordered pair (0,0) we know the y intercept will be 0, so y= 5x is the equation

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edog92 edog92 · Answer 2 · 2016-10-19T22:34:21+02:00

edog92 edog92

19-10-2016

Line k: y=-1/5x-1/8 This is in y=mx+b form or slope-intercept form.
For a perpendicular line you switch the reciprocal of the slope. So, instead of -1/5x for the slope, it would be 5. The (b) part represents the y intercept so you would change it to 0. Here is the new equation: y=5x-0.

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