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Re: teach me algebra plz so i can be smurt lik u

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Owny is not online. Owny
Joined: 25 Sep 2009
Total Posts: 55
10 Nov 2012 12:38 PM
i ned to lern quikly or i gonna fuil.
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Owny is not online. Owny
Joined: 25 Sep 2009
Total Posts: 55
10 Nov 2012 12:38 PM
Hurry up young lady.
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hexadecimalmonkey is not online. hexadecimalmonkey
Joined: 21 Sep 2012
Total Posts: 5793
10 Nov 2012 12:38 PM
x + 1 = 3

x = 2
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Owny is not online. Owny
Joined: 25 Sep 2009
Total Posts: 55
10 Nov 2012 12:40 PM
Is it really that simple? (ha no way)
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Skellor is not online. Skellor
Joined: 01 Jul 2011
Total Posts: 66606
10 Nov 2012 12:41 PM
2x=18+6

find the value of x
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AX360 is not online. AX360
Joined: 11 Mar 2009
Total Posts: 13603
10 Nov 2012 12:41 PM
Find r if 2/r and r/3 and the slope is 3/8
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Owny is not online. Owny
Joined: 25 Sep 2009
Total Posts: 55
10 Nov 2012 12:42 PM
@skellor x = 4? correct.
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Skellor is not online. Skellor
Joined: 01 Jul 2011
Total Posts: 66606
10 Nov 2012 12:43 PM
no
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Owny is not online. Owny
Joined: 25 Sep 2009
Total Posts: 55
10 Nov 2012 12:44 PM
what.
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hexadecimalmonkey is not online. hexadecimalmonkey
Joined: 21 Sep 2012
Total Posts: 5793
10 Nov 2012 12:44 PM
x = 12
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MrsSdfgw is not online. MrsSdfgw
Joined: 30 Aug 2009
Total Posts: 808
10 Nov 2012 12:45 PM
find all pairs of real numbers a and b such that (a+b)^2 = (y-4)(x+4)
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obrandon is not online. obrandon
Joined: 29 Mar 2008
Total Posts: 1131
10 Nov 2012 12:52 PM
Algebra is the part of mathematics in which letters and other symbols are used to represent numbers and quantities in formulae and equations.
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PhantomNinja18 is not online. PhantomNinja18
Joined: 03 Sep 2011
Total Posts: 2703
10 Nov 2012 01:04 PM
y = -0.2x² + 12x + 11
y - 11 = -0.2(x² - 60x)

Find x-intrecept then y-intercept. Then graph a linear equation and make the range for y.
move it boi.

~Qui audet adipiscitur!~
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kevin756 is not online. kevin756
Joined: 13 Dec 2008
Total Posts: 11244
10 Nov 2012 01:05 PM
2+2=3
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LONGLIVELORDNORRIS is not online. LONGLIVELORDNORRIS
Joined: 25 Oct 2012
Total Posts: 2552
10 Nov 2012 01:05 PM
@kevin
niceeeeee
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MrsSdfgw is not online. MrsSdfgw
Joined: 30 Aug 2009
Total Posts: 808
10 Nov 2012 01:06 PM
"y = -0.2x² + 12x + 11
y - 11 = -0.2(x² - 60x)

Find x-intrecept then y-intercept. Then graph a linear equation and make the range for y.
move it boi."

what

neither of these are linear

also nobody's answered mine
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PhantomNinja18 is not online. PhantomNinja18
Joined: 03 Sep 2011
Total Posts: 2703
10 Nov 2012 01:09 PM
You have to simplify into intercept form. (y=mx+b)

~Qui audet adipiscitur!~
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MrsSdfgw is not online. MrsSdfgw
Joined: 30 Aug 2009
Total Posts: 808
10 Nov 2012 01:11 PM
what are you talking about

you mean you want me to just draw a line between the points where it intercepts the axes
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PhantomNinja18 is not online. PhantomNinja18
Joined: 03 Sep 2011
Total Posts: 2703
10 Nov 2012 01:17 PM
Basically, and create a range of y.
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MrsSdfgw is not online. MrsSdfgw
Joined: 30 Aug 2009
Total Posts: 808
10 Nov 2012 01:29 PM
ok i guess

y = -0.2x² + 12x + 11

y-intercept is obviously 11

for x-intercept, x=0

-0.2x² + 12x + 11 = 0
x² - 60x - 55 = 0
x^2 - 60x + 900 = 900 + 55
(x-30)^2 = 955
x-30 = plusminusroot955
x = 30 plusminusroot955
x = 60.9, -0.903 (3 s.f.)

it is only now i realised there are three points and you want a line

what
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yosheevee is not online. yosheevee
Joined: 23 Jan 2011
Total Posts: 2018
10 Nov 2012 01:34 PM
x=x

if x=y, then y=x

if x=y and y=z, then x=z

if x + 1 = 2,
then x + 1 - 1 = 2 - 1.
x = 1.

if x - 1 =2,
then x - 1 + 1 = 2 + 1
x = 1

if x * 2 = 4, then
x * 2 / 2 = 4 /2
x = 2

if x/2 = 4
then x/2 * 2 = 4 * 2
x = 8

kay go
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Shadowknight619 is not online. Shadowknight619
Joined: 28 Sep 2010
Total Posts: 2453
10 Nov 2012 01:44 PM
Just wait til you get to quadratics; then you'll see how hard algebra can be.
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yosheevee is not online. yosheevee
Joined: 23 Jan 2011
Total Posts: 2018
10 Nov 2012 01:50 PM
OH GOD QUADRATICS

Ax^2 + Bx + C

I hate that formula
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MrsSdfgw is not online. MrsSdfgw
Joined: 30 Aug 2009
Total Posts: 808
10 Nov 2012 01:51 PM
"find all pairs of real numbers a and b such that (a+b)^2 = (y-4)(x+4)"

gfd someone solve this

i'll give you guys a clue, there is only one answer

i love quadratics they're so neat

apparently this year we're learning how to solve cubics in all cases which i was sure wasn't possible but oh well

i think it involves complex numbers somehow
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hexadecimalmonkey is not online. hexadecimalmonkey
Joined: 21 Sep 2012
Total Posts: 5793
10 Nov 2012 02:10 PM
we're doing quadratics this year

its soft
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