document.write( "Question 953497: Line n has equation y=−1/2 x+10. Line k has equation y=2x. Find the point of intersection of line n and line k. \n" ); document.write( "
Algebra.Com's Answer #582293 by macston(5194)![]() ![]() You can put this solution on YOUR website! y=(-1/2)x+10 \n" ); document.write( "y=2x \n" ); document.write( "(-1/2)x+10=2x Add (1/2)x to each side. \n" ); document.write( "10=2x+(1/2)x \n" ); document.write( "10=2.5(x) Divide each side by 2.5. \n" ); document.write( "4=x ANSWER 1:The equations intersect when x=4. \n" ); document.write( "y=2x Substitute value for x to find y. \n" ); document.write( "y=2(4) \n" ); document.write( "y=8 ANSWER 2: The equations intersect at (4,8). \n" ); document.write( "CHECK: Use other equation \n" ); document.write( "y=(-1/2)x+10 \n" ); document.write( "8=(-1/2)4+10 \n" ); document.write( "8=-2+10 \n" ); document.write( "8=8\r \n" ); document.write( "\n" ); document.write( " |