document.write( "Question 274739: Find the equation of the line through the points (-3,-1) and (-9,-6) \n" ); document.write( "
Algebra.Com's Answer #200469 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! First let's find the slope of the line through the points \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Note: \n" ); document.write( "\n" ); document.write( "Also, \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( "So the slope of the line that goes through the points \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------------------------------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now remember that the general slope intercept equation is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since the line goes through the point (-3,-1), this means that x=-3 and y=-1. In addition, we know that the slope is \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( "So the value of 'b' is \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "======================================================================\r \n" ); document.write( "\n" ); document.write( "Answer:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the equation of the line in slope-intercept form through the points (-3,-1) and (-9,-6) is |