document.write( "Question 1129389: Find k so that the line through (7,2k) and (4,-3) is parallel to the line through (1, k+1) and (3,5) \n" ); document.write( "
Algebra.Com's Answer #745953 by MathLover1(20849)![]() ![]() You can put this solution on YOUR website! Find \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "use a slopes:\r \n" ); document.write( "\n" ); document.write( "a slope of the line through ( \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a slope of the parallel to the line that passes through (1, k+1) and (3,5) is:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since parallel lines have same slope, we have:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so, slope is \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "same for parallel line \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "then, points and slope for one line are: \n" ); document.write( " \n" ); document.write( " ( \n" ); document.write( "=>( \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "equation of this line is: use point-slope formula \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "equation of the parallel line is: use point-slope formula\r \n" ); document.write( "\n" ); document.write( "( \n" ); document.write( "=> ( \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "=>( \n" ); document.write( "=> ( \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |