document.write( "Question 196555This question is from textbook
\n" ); document.write( ": Classify the given numbers as real and rational, real and irrational, or complex. Remember to simplify BEFORE you classify! \r
\n" ); document.write( "\n" ); document.write( "a. $\"%283%29%5E%281%2F2%29+%2B+2i\"$
\n" ); document.write( "b. $\"3.14\"$
\n" ); document.write( "c. $\"pi\"$
\n" ); document.write( "d. $\"16%5E%281%2F4%29+%2B+6\"$
\n" ); document.write( "e. $\"%2818%29%5E%281%2F3%29\"$ \r
\n" ); document.write( "\n" ); document.write( "Please help me. I don't understand this at all. \n" ); document.write( "

Algebra.Com's Answer #147301 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "A rational number is a number equal to a common fraction,\r\n" );
document.write( "whether proper of improper.\r\n" );
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document.write( "a.  \r\n" );
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document.write( "This is complex because after simplifying it \r\n" );
document.write( "contains an \"i\".\r\n" );
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document.write( "b. \r\n" );
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document.write( "This can be written as , and\r\n" );
document.write( "we can multiply top and bottom by 100 and\r\n" );
document.write( "get rid of the edcimal. So we have\r\n" );
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document.write( "which reduces to  which is a \r\n" );
document.write( "common fraction, so it is rational.\r\n" );
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document.write( "c. \r\n" );
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document.write( "This is not equal to any common fraction, but\r\n" );
document.write( "doesn't contain any  so it's irrational.\r\n" );
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document.write( "You should note here that  is NOT equal\r\n" );
document.write( "to .  The RATIONAL NUMBER \r\n" );
document.write( "is only an approximation for .\r\n" );
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document.write( "d.  \r\n" );
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document.write( "Since  can be written as the common fraction\r\n" );
document.write( " it is rational.  \r\n" );
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document.write( "e. \r\n" );
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document.write( "This cannot be simplified further, and it is not equal\r\n" );
document.write( "to any common fraction, but doesn't contain any ,\r\n" );
document.write( "so it's irrational.  \r\n" );
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document.write( "Edwin

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