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Re: you know you're dumb if you cant answer this question

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gup10 is not online. gup10
Joined: 04 Feb 2011
Total Posts: 6819
12 Dec 2013 07:05 PM
unless ur 12

a line passes through the points (4,7) and (8, 21)

write a linear equation of the line in slope-intercept form
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Immortalibus is not online. Immortalibus
Joined: 23 Oct 2013
Total Posts: 6421
12 Dec 2013 07:06 PM
all of the above?
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VoidShade is not online. VoidShade
Joined: 23 Oct 2013
Total Posts: 9365
12 Dec 2013 07:07 PM
i remember this
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darkwisp is not online. darkwisp
Joined: 07 Apr 2010
Total Posts: 22653
12 Dec 2013 07:07 PM
i am 12 can i have a pass?

A clan in progress::{http://web.roblox.com/My/Groups.aspx?gid=973579
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Vexax is not online. Vexax
Joined: 25 Aug 2012
Total Posts: 18783
12 Dec 2013 07:07 PM
no idea

- do not fear, vexax the beauty queen is here!! -
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Vexterity is not online. Vexterity
Joined: 10 Oct 2010
Total Posts: 3508
12 Dec 2013 07:08 PM
the answer is no
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bohdan77 is not online. bohdan77
Joined: 10 Aug 2008
Total Posts: 7944
12 Dec 2013 07:08 PM
You're trying to get your homework done, aren't you.
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gup10 is not online. gup10
Joined: 04 Feb 2011
Total Posts: 6819
12 Dec 2013 07:08 PM
the answer is y=3.5x -7 but k
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sovietz is not online. sovietz
Joined: 12 Jun 2013
Total Posts: 13554
12 Dec 2013 07:08 PM
answer is pi

[▬> wARC: Team Specialist, WIJ Grenadier <▬] "rcl is bad" -sovietz
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clonetrooper039 is not online. clonetrooper039
Joined: 27 Oct 2011
Total Posts: 11808
12 Dec 2013 07:09 PM
Did you change it to wambo?
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gup10 is not online. gup10
Joined: 04 Feb 2011
Total Posts: 6819
12 Dec 2013 07:09 PM
sovietz has correct answer
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Bardoh is not online. Bardoh
Joined: 12 Nov 2013
Total Posts: 15071
12 Dec 2013 07:09 PM
y=7/2x-7

-fryber11
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ScortchSlays is not online. ScortchSlays
Joined: 24 Oct 2013
Total Posts: 4377
12 Dec 2013 07:11 PM
I am doing this in my class right now..
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bloxman26 is not online. bloxman26
Joined: 27 May 2009
Total Posts: 7509
12 Dec 2013 07:11 PM
answer x^2+6x-12

note ^2 means to the power of 2, x squared
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TRUSTnU is not online. TRUSTnU
Joined: 23 Dec 2008
Total Posts: 6758
12 Dec 2013 07:12 PM
Darn people beat me to answering this. :c

I had all my work and everything. :P

~~~> TnU; Trust The Trust ~
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rofl345 is not online. rofl345
Joined: 26 Aug 2012
Total Posts: 1363
12 Dec 2013 07:13 PM
Anwer is chicken.

Food is awesome, I am awesome, therefore I must be food.
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trumpetboy26 is not online. trumpetboy26
Joined: 19 Jun 2008
Total Posts: 783
12 Dec 2013 07:15 PM
Well it's easy, considering Y can be any value as well as X, so the equation you want is here (math included):

y=mx+b is slope intercept form:
y is the y value.
m is the slope
x is the x value
b is the y-intercept.

First, you need to find your slope which is found by subtracting Y sub 2 from Y sub 1, all over X sub 2 minus X sub 1. At this point, just plug in the points:

21-7
____ = 14/4= 3.5 3.5= m(slope)
8-4


Now that you have your slope you must solve from here by plugging in numbers that have been given to find the y-intercept:

7= 4(3.5)+b
7= 14+b
-7=b

So the answer to your question is:

y=3.5x-7

This is for all you kids that don't know.


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Immortalibus is not online. Immortalibus
Joined: 23 Oct 2013
Total Posts: 6421
12 Dec 2013 07:16 PM
TRUMPET IS A NERD AAAAAH
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trumpetboy26 is not online. trumpetboy26
Joined: 19 Jun 2008
Total Posts: 783
12 Dec 2013 07:17 PM
No, I'm just in Algebra 3 and have been doing this for about 5 years now, it's not that hard.
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ScortchSlays is not online. ScortchSlays
Joined: 24 Oct 2013
Total Posts: 4377
12 Dec 2013 07:17 PM
a line passes through the points (4,7) and (8, 21)
y=m(x)+b 7-21=-14 and 4-8 = -4. -14\-4 = 3.5

Take one of the pairs of points and plug it in.
So 7=3.5(4)+b

b = y-intercept, what we need to find.

3.5x4 = 14
7=14+b
14-14 = 0/Cancels it'self
7-14 = -7

-7=B

So your equation would be:

Y=3.5(x)+(-7)
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ScortchSlays is not online. ScortchSlays
Joined: 24 Oct 2013
Total Posts: 4377
12 Dec 2013 07:18 PM
Somebody beat me to it.

Good game.
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Ferasrocas is not online. Ferasrocas
Joined: 04 Apr 2008
Total Posts: 10501
12 Dec 2013 07:20 PM
y2-y1 over x2-y1 gives you slope

then plug in slope and two points into y=mx+b and solve for b

then make the equation y=(answer for slope)x + (answer for y-intercept)

i dont feel like doing the numbers but that's how you do it
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Zegions is not online. Zegions
Joined: 25 Jul 2013
Total Posts: 5281
12 Dec 2013 07:23 PM
too easy
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ROBLOXVETERAN1 is not online. ROBLOXVETERAN1
Joined: 08 Mar 2011
Total Posts: 5529
12 Dec 2013 07:26 PM
You just come here expecting C&G to be gullible enough to do your homework for you.

Well you weren't wrong...

☠ \M/ ☠
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Distante is not online. Distante
Joined: 23 Oct 2013
Total Posts: 10014
12 Dec 2013 07:28 PM
having fun in eight grade?
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