document.write( "Question 1025701: I am trying to answer the below question and I believe the answer is true.\r
\n" ); document.write( "\n" ); document.write( "√-4 is not a real number.\r
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Algebra.Com's Answer #640987 by josgarithmetic(39620) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sqrt%28-1%29%2Asqrt%28-1%29=-1\"$ \r
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\n" ); document.write( "\n" ); document.write( "Try starting from $\"x%5E2=-1\"$ . If x is positive, $\"x%5E2%3E0\"$ , which is taught and learned in introductory algebra. $\"-1\"$ is not positive.
\n" ); document.write( "If x is negative, then $\"x%5E2%3E0\"$ , which is taught and learned in introductory algebra. $\"-1\"$ is not positive.\r
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\n" ); document.write( "\n" ); document.write( " $\"sqrt%28-1%29\"$ is an imaginary unit, and is not \"Real\". \n" ); document.write( "

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