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Re: Some idiot at my school thought -3^2 = 9

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koopaNGC is not online. koopaNGC
Joined: 25 Apr 2010
Total Posts: 23249
07 Feb 2013 05:40 PM
-3^2

- (3) x (3)

-(9)

-9

Simple.
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Walyn is not online. Walyn
Top 100 Poster
Joined: 30 May 2007
Total Posts: 14570
07 Feb 2013 05:41 PM
-3*-3 = 9

It's negative 3 squared
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Goulman is not online. Goulman
Joined: 15 Feb 2010
Total Posts: 1813
07 Feb 2013 05:41 PM
Same thing, It's just negative.
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ShredasaurusRex is not online. ShredasaurusRex
Joined: 12 Mar 2011
Total Posts: 25546
07 Feb 2013 05:41 PM
It is 9
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calculator73 is not online. calculator73
Joined: 20 Aug 2011
Total Posts: 24725
07 Feb 2013 05:41 PM
Eh
He was close enough
I sometimes make those mistakes when I'm not careful
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BlazeMan54 is not online. BlazeMan54
Joined: 25 Aug 2009
Total Posts: 11302
07 Feb 2013 05:41 PM
It is nine

stupid
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koopaNGC is not online. koopaNGC
Joined: 25 Apr 2010
Total Posts: 23249
07 Feb 2013 05:43 PM
"9"

I bet your caalculator would beg to differ.
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calculator73 is not online. calculator73
Joined: 20 Aug 2011
Total Posts: 24725
07 Feb 2013 05:47 PM
It equals 9 when the -3 has parentheses around it.
(-3)^2 = 9.

But then it doesn't have parentheses
-3^2 = -9.

Therefore, -9 is the correct answer.
So Blaze,
Who's stupid now
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calculator73 is not online. calculator73
Joined: 20 Aug 2011
Total Posts: 24725
07 Feb 2013 05:47 PM
Plus, -3^2 is the same thing as -3 x 3.
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friedchicken009 is not online. friedchicken009
Joined: 04 Mar 2011
Total Posts: 12502
07 Feb 2013 05:48 PM
IT IS 9

-3^2

-3 * -3

9
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TheEpicJax is not online. TheEpicJax
Joined: 19 Dec 2011
Total Posts: 4388
07 Feb 2013 05:48 PM
[ Content Deleted ]
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PkMnTrainerCRYSTAL is not online. PkMnTrainerCRYSTAL
Joined: 12 Sep 2010
Total Posts: 28262
07 Feb 2013 05:48 PM
i'm surprised nobody's put a circled nine
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emilylacee is not online. emilylacee
Joined: 16 Jan 2009
Total Posts: 22055
07 Feb 2013 05:48 PM
[ Content Deleted ]
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ShredasaurusRex is not online. ShredasaurusRex
Joined: 12 Mar 2011
Total Posts: 25546
07 Feb 2013 05:49 PM
You guys are so ignorant

-3 to the 2nd power is -3 times -3

That's all there is to it
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koopaNGC is not online. koopaNGC
Joined: 25 Apr 2010
Total Posts: 23249
07 Feb 2013 05:49 PM
It seems half of us here can't math.
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ShredasaurusRex is not online. ShredasaurusRex
Joined: 12 Mar 2011
Total Posts: 25546
07 Feb 2013 05:50 PM
@Emily

He doesn't know what he's talking about
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emilylacee is not online. emilylacee
Joined: 16 Jan 2009
Total Posts: 22055
07 Feb 2013 05:51 PM
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XC62 is not online. XC62
Joined: 15 Aug 2012
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07 Feb 2013 05:51 PM
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callmelegobob is not online. callmelegobob
Joined: 18 Jul 2010
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07 Feb 2013 05:52 PM
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calculator73 is not online. calculator73
Joined: 20 Aug 2011
Total Posts: 24725
07 Feb 2013 05:52 PM
@emily

I'm showing the difference between (-3)^2 and -3^2.

They have different answers.
Let me get further deep into explanation.
(-3)^2 = (-3) x (-3).

Since two negatives equal postive,
(-3)^2 = 9.

On the other hand,

-3^2 is different though.
When there are no parentheses,

It equals -3 x 3. We ignore the negative sign, since no parentheses were included in this expression.

A negative times a positive makes a negative.

Therefore, -3^2 = -9.

About half of you in this thread are imbeciles.
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illegitimateUturn is not online. illegitimateUturn
Joined: 15 Mar 2012
Total Posts: 557
07 Feb 2013 05:53 PM
@calculator73, I'm surprised they call you calculator. Do you know how stupid it looks when you put (-3)^2? The negative is always included no matter what. If it REALLY was -9 then the problem would look like this: -(3^2).

The answer is 9 and the OP is a total loser including everyone who agrees with him.

Thread closed.
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PlankEater is not online. PlankEater
Joined: 17 Dec 2012
Total Posts: 425
07 Feb 2013 05:54 PM
Wow. Just for clarification, this is what grade? Hope it isn't high school.
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calculator73 is not online. calculator73
Joined: 20 Aug 2011
Total Posts: 24725
07 Feb 2013 05:54 PM
You guys STILL don't understand simple Pre-Algebra...
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ShredasaurusRex is not online. ShredasaurusRex
Joined: 12 Mar 2011
Total Posts: 25546
07 Feb 2013 05:54 PM
@calc

The parentheses does nothing

Brackets are used for absolute value, but that doesn't even apply here
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koopaNGC is not online. koopaNGC
Joined: 25 Apr 2010
Total Posts: 23249
07 Feb 2013 05:55 PM
@plankeater, High school, Junior and Senior Algebra 2.
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