document.write( "Question 583792: Give the slope of each line AND then determine whether the two lines are parallel, perpendicular, or neither.\r
\n" ); document.write( "\n" ); document.write( "5x+4y=12\r
\n" ); document.write( "\n" ); document.write( "20x+16y=0 \n" ); document.write( "

Algebra.Com's Answer #372601 by dfrazzetto(283) $\"\"$ $\"About$

You can put this solution on YOUR website!
5x+4y=12\r
\n" ); document.write( "\n" ); document.write( "20x+16y=0\r
\n" ); document.write( "\n" ); document.write( "Write both equations in slope-intercept form:\r
\n" ); document.write( "\n" ); document.write( "y = (-5/4)x - 3\r
\n" ); document.write( "\n" ); document.write( "y = (-20/16)x + 0 = (-5/4)x\r
\n" ); document.write( "\n" ); document.write( "y = mx + b\r
\n" ); document.write( "\n" ); document.write( "slope, m, is -5/4 for both, so they are parallel\r
\n" ); document.write( "\n" ); document.write( "Verify with graph\r
\n" ); document.write( "\n" ); document.write( " $\"+graph%28+800%2C+700%2C+-6%2C+5%2C+-10%2C+10%2C+%28-5%2F4%29x+-+3%2C+%28-5%2F4%29x%29+\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );