document.write( "Question 617155: how do you find out if these two lines are parallel,perpendicular or neither
\n" );
document.write( "y= 3/8x -4\r
\n" );
document.write( "\n" );
document.write( "8x + 3y=10 \n" );
document.write( "
Algebra.Com's Answer #388172 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! the 1st equation is in slope-intercept form (y = mx + b)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solving the 2nd equation for y ___ y = (-8/3)x + (10/3)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the x-coefficients (slopes) of the two slope-intercept equations are negative-reciprocals \n" ); document.write( "___ this means that the lines are perpendicular \n" ); document.write( " |