document.write( "Question 61234: hi. i need help.\r
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document.write( "it say's that you need write it in standard form (Ax+By=C).\r
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document.write( "this is what i have done so far.\r
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document.write( "1.(-4,1);(-2,-1)\r
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document.write( "y-2=-1-2/1-(-4)(x-(-4)
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Algebra.Com's Answer #42194 by tutorcecilia(2152)![]() ![]() You can put this solution on YOUR website! (-4,1);(-2,-1) [Find the slope of the line] \n" ); document.write( "m=(y1-y2)/(x1-x2) [use the slope formula] \n" ); document.write( "m=(1-(-1))/(-4-(-2)) [plug-in the values and solve] \n" ); document.write( "m=2/-2=-1 \n" ); document.write( ". \n" ); document.write( "Method #1: Use the point-slope form \n" ); document.write( "(y-y1)=m(x-x1) [formula for the point-slope form of a line] \n" ); document.write( "(y-1)=(-1)(x-(-4)) [plug-in the values and solve] \n" ); document.write( "y-1=-x-4 [isolate the variables] \n" ); document.write( "y=-x-4+1 \n" ); document.write( "y=-x-3 \n" ); document.write( "x+y=-3 [Standard Form of a line] \n" ); document.write( ". \n" ); document.write( "Method #2: Use the slope-intercept form \n" ); document.write( "y=mx+b [slope-intercept form of a line] \n" ); document.write( "1=(-1)(-4)+b [plug-in the values and solve for b] \n" ); document.write( "1=4+b \n" ); document.write( "1-4=b \n" ); document.write( "-3=b [plug-in the slope and y-intercept back into the formula] \n" ); document.write( "y=mx+b \n" ); document.write( "y=-1x-3 [isolate the variables] \n" ); document.write( "x+y=-3 [Standard Form of a line]\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |