document.write( "Question 52576: Hi,\r
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\n" ); document.write( "\n" ); document.write( "I just read about graphing slopes, formulas and all that stuff and am pretty confused... \r
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\n" ); document.write( "\n" ); document.write( "When I try to solve the below problem, I'm getting the right answer, except I'm getting a negative answer instead of positive...\r
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\n" ); document.write( "\n" ); document.write( "The problem:\r
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\n" ); document.write( "\n" ); document.write( "\"Find the slope and y-intercept of the line whose equation is given and then graph the line.\r
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\n" ); document.write( "\n" ); document.write( "3x + 5y + 10 = 0\"\r
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\n" ); document.write( "\n" ); document.write( "My effort:\r
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\n" ); document.write( "\n" ); document.write( "3x + 5y + 10 = 0 or
\n" ); document.write( "3x + 5y = -10 or
\n" ); document.write( "5y = -3x + -10 or
\n" ); document.write( "y = -3/5x + -2\r
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\n" ); document.write( "\n" ); document.write( "M = -3/5
\n" ); document.write( "Y-intercept = (0,-2)\r
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\n" ); document.write( "\n" ); document.write( "I checked in the back of the book, and the correct answer is:\r
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\n" ); document.write( "\n" ); document.write( "M = 3/5
\n" ); document.write( "y-intercept = (0,2)\r
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\n" ); document.write( "\n" ); document.write( "But even after going over the problem, I can't figure out why I get a negative, and they get a positive...\r
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\n" ); document.write( "\n" ); document.write( "Any help would be very much appreciated! (I don't need help with the graphing part though, I think I've got that :o)\r
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\n" ); document.write( "\n" ); document.write( "Thanks,
\n" ); document.write( "~ Jasmine
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Algebra.Com's Answer #35100 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
The answer is simple. You are right; the book is wrong. Don't judge a book by its cover. Just because it's a math book, doesn't mean everything is right in it. Everyone makes mistakes. =P
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