document.write( "Question 448767: Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y=mx+b.
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document.write( "(8,9); x+7y=2
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document.write( "y= \n" );
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Algebra.Com's Answer #308762 by mananth(16949) You can put this solution on YOUR website! x+7y=2 \n" ); document.write( "Find the slope of this line \n" ); document.write( "7y=-1x+ 2 \n" ); document.write( "Divide by 7 \n" ); document.write( " y =-0.14x+0.29 \n" ); document.write( "Compare this equation with y=mx+b \n" ); document.write( "slope m = -0.14 \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 -0.14 \n" ); document.write( "m= -0.14 ,point (8,9) \n" ); document.write( "Find b by plugging the values of m & the point in \n" ); document.write( "y=mx+b \n" ); document.write( "9=-1.14+b \n" ); document.write( "b=10.14 \n" ); document.write( "m=-0.14 \n" ); document.write( "Plug value of the slope and b \n" ); document.write( "The required equation is y=-0.14x+10.14 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |