document.write( "Question 100267This question is from textbook intermediate algebra
\n" );
document.write( ": how to find an equation for the line parallel to the line -3x+9y=-9 having the same y-intercept as 4x-9y=8 \n" );
document.write( "
Algebra.Com's Answer #73017 by edjones(8007)![]() ![]() You can put this solution on YOUR website! how to find an equation for the line parallel to the line -3x+9y=-9 having the same y-intercept as 4x-9y=8 \n" ); document.write( "-3x+9y=-9 \n" ); document.write( "We have to find the slope so we have to get the formula in this form: y=mx+b where m is the slope. \n" ); document.write( "9y=3x-9 \n" ); document.write( "y=(1/3)x-1 \n" ); document.write( "so, m=1/3 and any line parallel to it will have m=1/3. \n" ); document.write( "the line must have the same y intercept as 4x-9y=8 \n" ); document.write( "x intercept is when y=0. When that happens 4x=8; x=2 \n" ); document.write( "now we have a point: (2,0) and a slope: 1/3. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |