anonymous
  • anonymous
Write an equation for the line perpendicular to y = 5x – 12 that contains (–3, –1)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
use y=mx+b :)
anonymous
  • anonymous
so lets take a look at this... what do you know about the slope of perpendicular lines?
johnweldon1993
  • johnweldon1993
Perpendicular...means it has the negative reciprocal slope of the other line's slope...what is the negative reciprocal of 5...?

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johnweldon1993
  • johnweldon1993
I'll let @iheartfood continue :)
anonymous
  • anonymous
hahah kk @johnweldon1993 feel free to jump in tho if u want! :) but that's right! perpendicular means that it will have a slope that is opposite reciprocal :)
anonymous
  • anonymous
noting really i just got back in to geometry i didnt really learn a whole lot
anonymous
  • anonymous
okay... so basically that's all you need though! :) correct me if i'm wrong @johnweldon1993... i might be forgetting something here lol... but i do believe that you are solving for the y-int by plugging in. so -1=m(-3) + b.. solving for b but @johnweldon1993 i'm forgetting, are we solving with 5 as the m value? or -5?
anonymous
  • anonymous
so it would be y+1=-1/5(x+3)
anonymous
  • anonymous
no, not quite.. @johnweldon1993 can you please take a look when you get the chance? @redcarter we are solving for "b" ur y-int using either -1=(5)(-3) + b or -1=(-5)(-3) +b but i can't remember which.. so lets wait so he/she can take a look :)
anonymous
  • anonymous
ok
primeralph
  • primeralph
|dw:1370115373366:dw|
johnweldon1993
  • johnweldon1993
Well firstly lets get straight on what the slope will be....the negative reciprocal of 6 is -1/5 this will be your 'm' value Then you can use the point slope formula as @primeralph has shown above is... \[y - y1 = m(x - x1)\] you would take your point (-3,-1) (x,y) and plug those in for x1 and y1 so y - (-1) = (-1/5)(x - (-3)
johnweldon1993
  • johnweldon1993
then just simplify the equation
johnweldon1993
  • johnweldon1993
*edit in that first post....negative reciprocal of 5***** is -1/5 **not 6
anonymous
  • anonymous
oh whoops lol i meant -1/5 haha my bad ;P
anonymous
  • anonymous
i'll let @johnweldon1993 take it from here haha since iheartfood obviously can't remember correctly :P lol sorry bout that!
johnweldon1993
  • johnweldon1993
haha don't worry about it @iheartfood good way to start explaining it though! :)
johnweldon1993
  • johnweldon1993
I just noticed @redcarter ...your previous post "so it would be y+1=-1/5(x+3)" YES! just simplify it :)
primeralph
  • primeralph
a medal for me?
primeralph
  • primeralph
|dw:1370115781695:dw|
anonymous
  • anonymous
haha nice drawing @primeralph and yup @johnweldon1993 :) tho i totally blanked out haha :P sorry about that @redcarter... you were right! anyways, glad u got help :)
johnweldon1993
  • johnweldon1993
lmao now I'm glad I gave you a medal @primeralph xD nice drawing! haha
primeralph
  • primeralph
Thanks guys. Mathemartist me.

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