document.write( "Question 154581: I was given an equation of a line and a point and told to determine whether the point is on the line using substitution. Heres two problems\r
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document.write( "y=x-4;A(5,1)\r
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document.write( "y=4x+2;A(1,6) \n" );
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Algebra.Com's Answer #113819 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Problem #1: \n" ); document.write( "point:A(5,1) \n" ); document.write( "equation:y=x-4 \n" ); document.write( ". \n" ); document.write( "The points are given in an (x,y) order. Simply \"plug\" the given point into the equation and see if the equation holds. \n" ); document.write( "y=x-4 \n" ); document.write( "1=5-4 \n" ); document.write( "1=1 (checks) \n" ); document.write( "Yes, the point falls ON the line. \n" ); document.write( ". \n" ); document.write( "Problem #2: \n" ); document.write( "point:A(1,6) \n" ); document.write( "equation:y=4x+2 \n" ); document.write( ". \n" ); document.write( "The points are given in an (x,y) order. Simply \"plug\" the given point into the equation and see if the equation holds. \n" ); document.write( "y=4x+2 \n" ); document.write( "6=4(1)+2 \n" ); document.write( "6=4+2 \n" ); document.write( "6=6 (checks) \n" ); document.write( "Yes, the point falls ON the line. \n" ); document.write( " \n" ); document.write( " |