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# what is the square root of 0?

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Director
Joined: 29 Nov 2012
Posts: 685
what is the square root of 0?  [#permalink]

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18 Jan 2013, 04:03
2
is the square root of 0 = 0 ?
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Joined: 02 Sep 2009
Posts: 59587
Re: what is the square root of 0?  [#permalink]

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18 Jan 2013, 04:04
fozzzy wrote:
is the square root of 0 = 0 ?

Yes, $$\sqrt{0}=0$$, since $$0^2=0$$.

Hope it's clear.
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Joined: 20 Mar 2015
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what is the square root of 0?  [#permalink]

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25 Jun 2016, 10:33
Bunuel wrote:
fozzzy wrote:
is the square root of 0 = 0 ?

Yes, $$\sqrt{0}=0$$, since $$0^2=0$$.

Hope it's clear.

What about square root of -1? I have never seen square root of -1 in GMAT and assume that such case is not tested?
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Joined: 02 Sep 2009
Posts: 59587
Re: what is the square root of 0?  [#permalink]

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25 Jun 2016, 23:33
1
bimalr9 wrote:
Bunuel wrote:
fozzzy wrote:
is the square root of 0 = 0 ?

Yes, $$\sqrt{0}=0$$, since $$0^2=0$$.

Hope it's clear.

What about square root of -1? I have never seen square root of -1 in GMAT and assume that such case is not tested?

All numbers on the GMAT are real numbers, so $$\sqrt{negative}$$, which is an imaginary number, is not defined for the GMAT.
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Re: what is the square root of 0?  [#permalink]

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20 Feb 2019, 15:39
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Re: what is the square root of 0?   [#permalink] 20 Feb 2019, 15:39
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