document.write( "Question 438111: Which value of x makes the equation true?
\n" );
document.write( "3x^2 + 14x + 5 = 0
\n" );
document.write( "A. -5 and -1/3
\n" );
document.write( "B. 5 and 1/3
\n" );
document.write( "C. -3 and -5
\n" );
document.write( "D. 3 and 5\r
\n" );
document.write( "\n" );
document.write( "Could you please explain how you got your answer? \n" );
document.write( "
Algebra.Com's Answer #303036 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Which value of x makes the equation true? \n" ); document.write( "3x^2 + 14x + 5 = 0 \n" ); document.write( "---------------- \n" ); document.write( "Quadratic Formula: \n" ); document.write( "x = [-14 +- sqrt(14^2-4*3*5)]/(2*3) \n" ); document.write( "--- \n" ); document.write( "x = [-14 +- sqrt(136)]/6 \n" ); document.write( "--- \n" ); document.write( "x = [-14 +- 2sqrt(34)}/6 \n" ); document.write( "============================ \n" ); document.write( "x = [-7+sqrt(34)]/3 or x = [-7-sqrt(34)]/3 \n" ); document.write( "================================ \n" ); document.write( "Notice: I think you either posted the wrong \n" ); document.write( "equation or the wrong set of answers. \n" ); document.write( "--------------------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "A. -5 and -1/3 \n" ); document.write( "B. 5 and 1/3 \n" ); document.write( "C. -3 and -5 \n" ); document.write( "D. 3 and 5 \n" ); document.write( " \n" ); document.write( " |