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popgirl14 popgirl14
  • 04-01-2017
  • Mathematics
Answered

write an equation in slope-intercept form for the line that is perpendicular to -2x-8y=16 and that passes through (4,5)

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 11-01-2017

slope of line perpendicular to ax+by=c is b/a

given
-2x-8y=18
slope of perpendicular is -8/-2=4

y=4x+b
find B
(4,5)
x=4,y=5
5=4(5)+b
5=20+b
minus 20
-15=b

y=4x-15

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