SOLUTION: How do I know when do go up or down on the graph? Example. 2x + 3y = 6 Another, 2x - 3y = 6 I hope I am making myself clear because I myself get confused. Thank you. Benita

Algebra ->  Graphs -> SOLUTION: How do I know when do go up or down on the graph? Example. 2x + 3y = 6 Another, 2x - 3y = 6 I hope I am making myself clear because I myself get confused. Thank you. Benita       Log On


   



Question 303770: How do I know when do go up or down on the graph? Example. 2x + 3y = 6 Another, 2x - 3y = 6
I hope I am making myself clear because I myself get confused.
Thank you. Benita

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for y.
2x + 3y = 6 --> y = (-2/3)x + 2
The coefficient of x is the slope, m = -2/3
Negative slope goes douwn to the right, \ like that.
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Another, 2x - 3y = 6 --> y = (2/3)x - 2
m = +2/3
Positive slopes go up to the right, / like that.