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Question about graphing an equation?
I have a problem that states graph the equation p = (r/3) - 2.
Simple enough, except that normally I'd see the variables "x" and "y" when doing a graph. Is there a rule for determining which variable is the vertical axis and the horizontal axis? This problem is on my take home test and is graded, so it's pretty important to me that it's right, so anyone who provides a source will get the points for best answer.
I assumed that p is the vertical axis and let r = -3, 0 and 6. Giving me the ordered pairs (-3,-3), (0,-2), (6,0)
I guess the question is, should I graph the order pairs as (r,p) or (p,r)
2 Answers
- Anonymous10 years agoFavorite Answer
y = mx + b is the standard form so I suppose it's the same for that one. p is y (so it's on the vertical axis) and r is x (so it's on the horizontal axis). -2 is the y-intercept.
So I guess it's (r,p)
- ?Lv 710 years ago
The horizontal axis is usually the independent variable and the vertical axis is usually the dependent variable. In your case, r would be on the x-axis and p would be on the y-axis. In other words, you should graph (r, p) pairs.