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Re: i need help on my homework guys

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betteranimationguy is not online. betteranimationguy
Joined: 22 Jun 2010
Total Posts: 412
16 Jan 2015 12:29 AM
so if the equation is y - 3 = 3(x + 3) and i have to graph it what is the point?? i forget the name of the form but it is something like 'slope thing'

pls help !
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rockybow is not online. rockybow
Joined: 15 Jan 2008
Total Posts: 10036
16 Jan 2015 12:29 AM
I graduated high school but I forget every math thing ever.
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IhateMcCramer is not online. IhateMcCramer
Joined: 08 May 2012
Total Posts: 25998
16 Jan 2015 12:30 AM
Only ask here if Google doesn't work.
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TheInfectedVirus is not online. TheInfectedVirus
Joined: 27 May 2010
Total Posts: 554
16 Jan 2015 12:30 AM
I beleive slope is in the form of mx+y...
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Blazerstriker is not online. Blazerstriker
Joined: 09 Mar 2012
Total Posts: 11873
16 Jan 2015 12:30 AM
Slope intercept form.
Something this problem isnt.
Too tired, OP.
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VengenceVinny is not online. VengenceVinny
Joined: 24 Jun 2014
Total Posts: 15335
16 Jan 2015 12:32 AM
y - 3 = 3(x + 3)
y - 3 = 3x + 9
+3 +3
y = 3x + 12

slinging metaphor faster than yahtzee
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VengenceVinny is not online. VengenceVinny
Joined: 24 Jun 2014
Total Posts: 15335
16 Jan 2015 12:33 AM
y = 3x + 12
3 is yer slope
12 is yer y intercept

slinging metaphor faster than yahtzee
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superlegobuilder88 is not online. superlegobuilder88
Joined: 24 Mar 2010
Total Posts: 7145
16 Jan 2015 12:34 AM
i was gonna learn it but my brain is so tired to even think
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Blocks878BackUp is not online. Blocks878BackUp
Joined: 21 Jun 2010
Total Posts: 2437
16 Jan 2015 12:35 AM
It's the point-slope form.

y - y1 = m(x - x1),

where (x1, y1) is the point and the m is the slope.

Your form is
y - 3 = 3(x - (-3)),
So your point is (-3, 3) and your slope is 3.
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boschitbrother is not online. boschitbrother
Joined: 14 Sep 2014
Total Posts: 638
16 Jan 2015 12:38 AM
i know the answer. still need help? heres the damn answer


y = (3x + 3) + 3 = 3x + 6

y = 3x + 6 Slope intercept form. Y-intercept is (0, 6) and slope is 3.

To rewrite this equation in standard form (ax + by = c), subtract y from each side, and subtract 6 from each side, we'd get: 3x - y = -6.

x-intercept, we let y = 0, so 3x = -6, so x = -2

x-intercept = (-2, 0)



The line perpendicular to this line will have the opposite reciprocal slope. The original equation has a slope of 3 as defined earlier, therefore the _|_ line has a slope of -1/3.

Using point slope formy-y_(1)=m(x -x_(1)) with slope of -1/3 and containing point (5,1) we have the equation:

y - 1 = -1/3 (x - 5)

Now place in standard form by multiplying both sides by -3 to get:

-3(y - 1) = x - 5 Distribute -3 to get:

-3y + 3 = x - 5 Rearrange to ax + by = c, to get:

x + 3y = 8






NEED HELP NO LONGER.
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boschitbrother is not online. boschitbrother
Joined: 14 Sep 2014
Total Posts: 638
16 Jan 2015 12:38 AM
u have all failed ur math. or atleast forgot it. I STILL REMEMBER IT .3.
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DataService is not online. DataService
Joined: 30 Oct 2014
Total Posts: 103
16 Jan 2015 12:41 AM
y−3=3(x+3)

y=3x+12

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boschitbrother is not online. boschitbrother
Joined: 14 Sep 2014
Total Posts: 638
16 Jan 2015 12:49 AM
ur all wrong i just did the entire math
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Odd is not online. Odd
Joined: 14 May 2007
Total Posts: 2498
16 Jan 2015 12:54 AM
I am on my last year of High school.
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