document.write( "Question 72710: need help in finding out g(-2) when g(x)= sqrt 5-x + 2.\r
\n" ); document.write( "\n" ); document.write( "Another question is sqrt -36 the same as -sqrt 36. would answer still be 6i?\r
\n" ); document.write( "\n" ); document.write( "One last question: sqrt -36 divided by sqrt -9. Is answer -2?\r
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Algebra.Com's Answer #51993 by rmromero(383) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "need help in finding out g(-2) when g(x)= sqrt 5-x + 2. \r
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document.write( "x = -2, then substitute\r
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document.write( "    g(-2)= sqrt (5-(-2) + 2)
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document.write( "         = sqrt (5+2+2)
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document.write( "         = sqrt 9
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document.write( "         = 3\r
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document.write( "Another question is sqrt -36 the same as -sqrt 36. would answer still be 6i? \r
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document.write( "            sqrt -36 is not the same as - sqrt 36
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document.write( "Why? sqrt (-36) = sqrt (36 * -1)
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document.write( "                = sqrt 36 * sqrt (-1)
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document.write( "                = 6 sqrt (-1)  Remember that sqrt (-1) = i
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document.write( "                = 6i\r
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document.write( "While - sqrt 36 = - 6\r
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document.write( "One last question: sqrt -36 divided by sqrt -9. Is answer -2? \r
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document.write( "                  sqrt -36
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document.write( "                  sqrt -9\r
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document.write( "            \r
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document.write( "                 sqrt 36 * -1)
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document.write( "                 sqrt (9 * -1)\r
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document.write( "               sqrt 36 * sqrt (-1)
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document.write( "               sqrt 9 * sqrt (-1) 
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document.write( "                  6i
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document.write( "                ______
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document.write( "                  3i\r
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document.write( "                  2 * 
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document.write( "                 ________
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document.write( "                   \r
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document.write( "                 2 \n" );
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