document.write( "Question 976506: What is the equation of a line that passes through (-2,-1) and (-4, -3) \n" ); document.write( "
Algebra.Com's Answer #598088 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! What is the equation of a line that passes through (-2,-1) and (-4, -3) \n" ); document.write( "*** \n" ); document.write( "slope intercept form of equation for a line: y=mx+b, m=slope, b=y-intercept \n" ); document.write( "For given problem: \n" ); document.write( "m=∆y/∆x=(-3-(-1))/(-4-(-2)=-2/-2=1 \n" ); document.write( "equation: y=1x+b \n" ); document.write( "using coordinates (-2, -1) on the line \n" ); document.write( "b=y-x=-1+2=1 \n" ); document.write( "equation: y=x+1 \n" ); document.write( " |