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whats the square root of -7

Guest May 14, 2015

Best Answer 

 #3
avatar+90988 
+5

This is an IMAGINARY NUMBER answer.

 

YOU CANNOT MULTIPLY ANY REAL NUMBER BY ITSELF AND GET A NEGATIVE ANSWER.

 

THAT IS IMPOSSIBLE!

 

A negative times a negaive = a positive     !!

A positive times a positive = a positive      !!

Melody  May 15, 2015
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3+0 Answers

 #1
avatar+4663 
+5

$${\sqrt{-{\mathtt{7}}}} = {\mathtt{2.645\: \!751\: \!311\: \!064\: \!590\: \!6}}{i}$$

MathsGod1  May 14, 2015
 #2
avatar+1219 
+5

$${\sqrt{-{\mathtt{7}}}} = {\mathtt{2.645\: \!751\: \!311\: \!064\: \!590\: \!6}}{i}$$

Dbg4thebest  May 14, 2015
 #3
avatar+90988 
+5
Best Answer

This is an IMAGINARY NUMBER answer.

 

YOU CANNOT MULTIPLY ANY REAL NUMBER BY ITSELF AND GET A NEGATIVE ANSWER.

 

THAT IS IMPOSSIBLE!

 

A negative times a negaive = a positive     !!

A positive times a positive = a positive      !!

Melody  May 15, 2015

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