document.write( "Question 526414: Find equation of line passing through the points: (1, 4) parallel to the line 3x + y = 5 \n" ); document.write( "
Algebra.Com's Answer #348511 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! Standard Form of Equation of the line: \n" ); document.write( "y=mx+b \n" ); document.write( "Given \n" ); document.write( "3x + y = 5 \n" ); document.write( "rearrage the above equation according to the standard form \n" ); document.write( "y=-3x+5 \n" ); document.write( "Compare above equation with the standard form equation \n" ); document.write( "m=-3 and b=5 \n" ); document.write( "Since lines are parallel their slopes will be same. \n" ); document.write( "So slope of the required line will be (-3) \n" ); document.write( "Now we have a point(1,4) and slope (-3)of the line we can easily find \r \n" ); document.write( "\n" ); document.write( "required lines by putting these values in the equation of the straight line \r \n" ); document.write( "\n" ); document.write( "poin-slope form. \n" ); document.write( "m=(y2-y1)/(x2-x1) \n" ); document.write( "-3=(y-4)/(x-1) \n" ); document.write( "-3(x-1)=y-4 \n" ); document.write( "-3x+3=y-4 \n" ); document.write( "y=-3x+3+4 \n" ); document.write( "y=-3x+7 (The standard form of the required equation of the straight line)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Graph \n" ); document.write( "Given line = Red \n" ); document.write( "Required line = Green \n" ); document.write( " |