document.write( "Question 84446: Please help...I need to write an equation in slope-intercept form using the following coordinates (-1,-7) and (-8,-2). I got as far as finding the slope m=-5/7 but I'm confused with rest of the equation. Thank you \n" ); document.write( "
Algebra.Com's Answer #60827 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! Use the form \n" ); document.write( " \n" ); document.write( "and \n" ); document.write( " \n" ); document.write( "where \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "(x1 , y1) = (-1 , -7) \n" ); document.write( "(x2 , y2) = (-8 , -2) \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "now \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "multiply both sides by (x+1) \n" ); document.write( " \n" ); document.write( "multiply both sides by 7 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "check answer \n" ); document.write( "Does line go through (-1 , -7) and (-8 , -2)? \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( " |