document.write( "Question 765571: Find the value of x so that x, x + 2, and x + 3 are terms of a geometric sequence.\r
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document.write( "Thank you in advance! \n" );
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Algebra.Com's Answer #466254 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! These terms are in a geometric sequence if you divide any term by the previous term and you get the same r value\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x + 2)/x = r\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x+3)/(x+2) = r\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Equate the two and solve for x\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x + 2)/x = (x+3)/(x+2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x + 2)(x+2) = x(x+3)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2 + 4x + 4 = x^2 + 3x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2 + 4x + 4 - x^2 = x^2 + 3x - x^2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4x + 4 = 3x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4x = 3x - 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4x - 3x = - 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = - 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the answer is x = -4\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |