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How do I solve this equation to graph? How do I know if the slope is positive or negative when I graph it? 5y + 4x = 0Thank you for your help.

Connie065

by Connie065 at January 05, 2010

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first you need to isolate your y integer do this by subtracting 4x from both sides should get this 5y=-4x now divide by 5 to get y=-4/5 you now have your y intercept setup plug in numbers to graph {(0,0),(1,-4/5),(2,-8/5),(3,-12/5) then graph the line and if its ascending its + if its descending its -. if you want to know where i got the numbers for my graph it would be simply plugging in i used 0 to start but you could start -1 or -2 plug this into x and acend as you go for each x value 3-5 values is enough to graph this since its a line

matt394 matt394 February 09, 2010

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