document.write( "Question 518825: Write an equation for the line that is parallel to the given line and contains the given point. Write your answer in standard form with integer coefficients. 2x+3y=30; (2,-5) \n" ); document.write( "
Algebra.Com's Answer #345271 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2 x + 3 y = 30 \n" ); document.write( "Find the slope of this line \n" ); document.write( "make y the subject \n" ); document.write( "3 y = -2 x + 30 \n" ); document.write( "Divide by 3 \n" ); document.write( " y = -2/3 x + 10 \n" ); document.write( "Compare this equation with y=mx+b \n" ); document.write( "slope m = -2/3 \n" ); document.write( "The slope of a line parallel to the above line will be the same \n" ); document.write( "The slope of the required line will be -2/3 \n" ); document.write( "m= -2/3 ,point ( 2 , -5 ) \n" ); document.write( "Find b by plugging the values of m & the point in \n" ); document.write( "y=mx+b \n" ); document.write( "-5 = -4/3 + b \n" ); document.write( "b= -11/3 \n" ); document.write( " \n" ); document.write( "m= -2/3 \n" ); document.write( "Plug value of the slope and b in y = mx +b \n" ); document.write( " y = - 2/ 3 x -11/ 3 \n" ); document.write( "multiply by 3 \n" ); document.write( "3y=-2x-11 \n" ); document.write( "2x+3y=-11 \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |