document.write( "Question 1096823: 1a. Consider the following sequence of figures.
\n" ); document.write( "Figure 1 contains 5 line segments.
\n" ); document.write( "Figure 2 contains 9 and figure three contains 13.
\n" ); document.write( "Given that figure n contains 801 line segments, show that n=200. \n" ); document.write( "
Algebra.Com's Answer #711235 by Edwin McCravy(20056)\"\" \"About 
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document.write( "Figure       segments\r\n" );
document.write( "  1              5\r\n" );
document.write( "  2              9\r\n" );
document.write( "  3             14\r\n" );
document.write( "  .              .\r\n" );
document.write( "  .              .\r\n" );
document.write( "  .              .\r\n" );
document.write( "  n            801\r\n" );
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document.write( "Arithmetic sequence with first term a1 = 5, \r\n" );
document.write( "common difference d = 4, given an = 801,\r\n" );
document.write( "\r\n" );
document.write( "\"a%5Bn%5D\"\"%22%22=%22%22\"\"a%5B1%5D%2B%28n-1%29d\"\r\n" );
document.write( "\r\n" );
document.write( "\"801\"\"%22%22=%22%22\"\"5%2B%28n-1%294\"\r\n" );
document.write( "\r\n" );
document.write( "\"801\"\"%22%22=%22%22\"\"5%2B4%28n-1%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"801\"\"%22%22=%22%22\"\"5%2B4n-4\"\r\n" );
document.write( "\r\n" );
document.write( "\"801\"\"%22%22=%22%22\"\"1%2B4n\"\r\n" );
document.write( "\r\n" );
document.write( "\"800\"\"%22%22=%22%22\"\"4n\"\r\n" );
document.write( "\r\n" );
document.write( "\"200\"\"%22%22=%22%22\"\"n\"\r\n" );
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document.write( "Edwin
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