document.write( "Question 485015: How do I find the slope of y= -2x +5. How do I find the value of x at which the 2 lines y=2x+1 and y= -1/4x + 3 intersect. I am completely confused, please if someone can show me step by step to get a solution to both of these. Thank you. \n" ); document.write( "
Algebra.Com's Answer #331825 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! slope =m \n" ); document.write( "y=mx+b \n" ); document.write( "slope m=-2 \n" ); document.write( "------------- \n" ); document.write( "y=2x+1 \n" ); document.write( "y=-1/4x+3 \n" ); document.write( "------------ \n" ); document.write( "2x+1=-1/4x+3 \n" ); document.write( "2x+1/4x=2 \n" ); document.write( "2 1/4x=2 \n" ); document.write( "x=2/(2 1/4) \n" ); document.write( "x=2*4/9 \n" ); document.write( "x=8/9 \n" ); document.write( "------------ \n" ); document.write( "y=2(8/9)+1 \n" ); document.write( "y=16/9+1 \n" ); document.write( "y=25/9 \n" ); document.write( "y=2 7/9 \n" ); document.write( "------------ \n" ); document.write( "(8/9,0) \n" ); document.write( "(0,2 7/9) \n" ); document.write( "-------------- \n" ); document.write( " |