document.write( "Question 110718: Need help with this problem please.\r
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document.write( "Find the equation of the line that contains the point (-2,-1) and has slope -1/2.\r
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document.write( "I tried to work the problem but haven't gotten the correct answer.\r
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document.write( "m=-1/2
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document.write( "(y1,x1)= (-2,-1)
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document.write( "y-y1=m(x-x1)
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document.write( "y-(-1)=-1/2(x-(-2))
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document.write( "y-(-1)=-1/2x+(-3)
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document.write( "y=-1/2x+2 \n" );
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Algebra.Com's Answer #80691 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Need help with this problem please. \n" ); document.write( "Find the equation of the line that contains the point (-2,-1) and has slope -1/2. \n" ); document.write( ": \n" ); document.write( "You seem to have the right idea, however, I's going to give you the whole procedure and you can decide where you went wrong. \n" ); document.write( ": \n" ); document.write( "We're going to use the point/slope form: y - y1 = m(x - x1) \n" ); document.write( "; \n" ); document.write( "In your problem x1 = -2; y1 = -1; m = -1/2 \n" ); document.write( ": \n" ); document.write( "So we have: \n" ); document.write( "y - (-1) = \n" ); document.write( ": \n" ); document.write( "Remember minus a minus is a plus: \n" ); document.write( "y + 1 = \n" ); document.write( ": \n" ); document.write( "Multiply what's inside the bracket by -1/2 \n" ); document.write( "y + 1 = \n" ); document.write( ": \n" ); document.write( "Subtract 1 from both sides: \n" ); document.write( "y = \n" ); document.write( ": \n" ); document.write( "y = |