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Author Topic: Quick Algebraic Q  (Read 5371 times)

Offline -shiNe!

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Quick Algebraic Q
« on: August 19, 2011, 11:19:49 AM »
c to the power of -4 x c to the power of 0 Is Zero right?
Or maybe the answer would be c to the power of -4 since c to the power of 0 would be 1.

Hmm
« Last Edit: August 19, 2011, 11:34:04 AM by ØRiK »

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Offline Zeek

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Re: Quick Algebraic Q
« Reply #1 on: August 19, 2011, 12:34:47 PM »
if i remember correctly if the power is 0 then it is zero.
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Offline BFM_Fénix

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Re: Quick Algebraic Q
« Reply #2 on: August 19, 2011, 12:45:27 PM »
c to the power of -4 x c to the power of 0 Is Zero right?
Or maybe the answer would be c to the power of -4 since c to the power of 0 would be 1.

Hmm


Ok, I don't really understand well your typing :P

If you mean:
(c^-4)(c^0)            *Being ^ equivalent to "to the power"
Then it is as you said in the text with the same color.

Remember that ALL powers give you magnitudes higher than 0 (it means that if you check the Absolute Value of your result, it will be always > 0)
« Last Edit: August 19, 2011, 12:52:01 PM by BFM_Fénix »
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Offline jim360

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Re: Quick Algebraic Q
« Reply #3 on: August 19, 2011, 01:29:03 PM »
Laws of powers:

xa*xb = xa+b and xa/xb = xa-b

"multiply, add; divide, subtract."

This also shows that x0 has to be 1, since xa*x0 = xa+0 = xa .

Hope that answers the question fully.
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Offline -shiNe!

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Re: Quick Algebraic Q
« Reply #4 on: August 19, 2011, 03:31:29 PM »
Unfortunately I had to figure this one out on my own since It was needed asap. Luckily though I picked the right answer, as explained by Fenix first. But nonetheless, I took a guess on It and now yall have provided me with future knowledge. Thanks!

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Offline BFM_Fénix

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Re: Quick Algebraic Q
« Reply #5 on: August 19, 2011, 11:08:52 PM »
Laws of powers:

xa*xb = xa+b and xa/xb = xa-b

"multiply, add; divide, subtract."

This also shows that x0 has to be 1, since xa*x0 = xa+0 = xa .

Hope that answers the question fully.

Also note that:
(xa)b = xa*b and b-root(xa) = xa/b

Hope all these simple laws of powers help you in future assignments. :D
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Offline BFM_Edison

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Re: Quick Algebraic Q
« Reply #6 on: August 19, 2011, 11:25:35 PM »
What field are we working in 0:)
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Offline raiden2000

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Re: Quick Algebraic Q
« Reply #7 on: October 22, 2011, 02:13:51 AM »
looking back thru this forum...saw all these algebra problems...i'm in calc 3...so this is fun

anything raised to teh 0 power is one, therefore:

(c^-4)(c^0)

(c^-4)(1)

c^-4

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