document.write( "Question 458820: which expression is prime number?
\n" ); document.write( "a.x2+4x+3
\n" ); document.write( "b.x2+5x+6
\n" ); document.write( "c.x2+6+8
\n" ); document.write( "d.none of the above
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Algebra.Com's Answer #314737 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "A prime number (or a prime) is a natural number that has exactly two distinct natural number divisors: 1 and itself, \r
\n" ); document.write( "\n" ); document.write( "and it \"must\" be a whole number \"greater\" than \"1\".\r
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\n" ); document.write( "\n" ); document.write( "The smallest twenty-five prime numbers (all the prime numbers under 100) are:
\n" ); document.write( "2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 \r
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\n" ); document.write( "\n" ); document.write( "a.\r
\n" ); document.write( "\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4+%2B-+sqrt%284%5E2-4%2A1%2A3+%29%29%2F%282%2A1%29+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4+%2B-+sqrt%2816-12+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4+%2B-+sqrt%284+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4+%2B-+2%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4+%2B+2%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-2%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-1+\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4+-2%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-6%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-3+\"\r
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\n" ); document.write( "\n" ); document.write( "b.
\n" ); document.write( "\"x%5E2%2B5x%2B6\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+5%5E2-4%2A1%2A6+%29%29%2F%282%2A1%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+25-24+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+1+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+1%29%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B+1%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-4%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-2+\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+-+1%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-6%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-3+\"\r
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\n" ); document.write( "\n" ); document.write( "c.\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B6%2B8\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B14=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2=-14\"\r
\n" ); document.write( "\n" ); document.write( "\"x=sqrt%28-14%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=3.74%2Ai\"\r
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\n" ); document.write( "\n" ); document.write( "so, the answer is: d.none of the above
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