document.write( "Question 886627: I need to calculate the distance between point a and b when a is (-1,5) and b is (7,-3). i come up with the square root of 128. Can that be right when there is no exact square root of 128? \n" ); document.write( "

Algebra.Com's Answer #536026 by Edwin McCravy(20055) $\"\"$ $\"About$

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document.write( "Yes, it is common for distances between two points with whole numbers\r\n" );
document.write( "for coordinates to be the square root of a number with no exact square root.\r\n" );
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document.write( "However  can be simplified\r\n" );
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document.write( "Even though you can't get rid of a radical, always simplify it so as to have\r\n" );
document.write( "as small a number under the square root radical as possible.\r\n" );
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document.write( "Edwin

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