document.write( "Question 148770: I am having a difficult time with Quadratic coefficients like:
\n" );
document.write( " trying to find x1_____ and x2_______
\n" );
document.write( "x2 = 1.5x + 0.5\r
\n" );
document.write( "\n" );
document.write( "a=__________ b=______________ c=______________\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "x2 = 4.41x
\n" );
document.write( "a=_______________ b=_______________ c=____________\r
\n" );
document.write( "\n" );
document.write( "I have six problems like this, I just can't wrap my brain around this. \n" );
document.write( "
Algebra.Com's Answer #109107 by stanbon(75887) ![]() You can put this solution on YOUR website! find x1_____ and x2_______ \n" ); document.write( "x^2 = 1.5x + 0.5 \n" ); document.write( "x^2 - (3/2)x - (1/2) = 0 \n" ); document.write( "Multiply thru by 2 to get: \n" ); document.write( "2x^2 -3x + 1 = 0 \n" ); document.write( "Factor: \n" ); document.write( "(2x-1)(x-1) = 0 \n" ); document.write( "x = 1/2 or x = 1 \n" ); document.write( "------------------------------- \n" ); document.write( "The original values of a,b, and c are \n" ); document.write( "a=___1_______ b=__-1.5____________ c=___-1/2___________ \n" ); document.write( "----------------------------------------------------------------------- \n" ); document.write( "x^2 = 4.41x \n" ); document.write( "x^2-4.41x = 0 \n" ); document.write( "x(x-4.41) = 0 \n" ); document.write( "x = 0 or x = 4.41 \n" ); document.write( "------------------------ \n" ); document.write( "a=___1____________ b=____-4.41___________ c=___0_________ \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |