Ty_Kez
what is the square root of 5



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Ty_Kez
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and how did you find it

meverett04
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This is an imaginary answer ...

LollyLau
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sqrt (5) i?

meverett04
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since it is negative, take the negative sign out, since we do not know the square root of 5, we have
\[\sqrt{5}\]

LollyLau
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i = sqrt(1)
these are called imaginary numbers...
written in the form of a+bi

meverett04
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oppp\[\sqrt{5} \]

LollyLau
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if drawn on a grid, the xaxis is the number line and the yaxis is the imaginary number line.

studyopen101
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it is 2.23i. i is the mathematical term for the square root of 1

EarthCitizen
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\[i \sqrt{5} =i2.2\]