document.write( "Question 863226: Please help me solve this question: The first three terms of an arithmetic progression are -1049, -1046, -1043.
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document.write( "Which term of this progression will first be positive? \n" );
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Algebra.Com's Answer #520283 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! an = a + (n - 1)d \n" ); document.write( "0 < -1049 + (n - 1)3 \n" ); document.write( "1049<3*(n-1) \n" ); document.write( "350 \n" ); document.write( "A351 = -1049 + 3(350) \n" ); document.write( "A351=-1049+1050 \n" ); document.write( "A351=1 \n" ); document.write( "Answer: A351 is the first positive term. |