Q&A for How to Find the Slope of a Line Using Two Points

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  • Question
    What does a negative slope look like?
    Community Answer
    A negative slope moves down, left-to-right.
  • Question
    Can you do this without a graph, like when they give you 2 coordinates?
    Emma Han
    Community Answer
    Yes you can. The graph is only there to help you. You can only find the gradient if they give you 2 points.
  • Question
    How do you compute slope with (-6,3) and (2,9)?
    GB742
    Top Answerer
    Use the formula m = (y2 - y1)/(x2 - x1). In this example: (9 - 3)/(2 - -6) = (6)/(8). Therefore, the slope of the line connecting (-6,3) and (2,9) is 6/8.
  • Question
    How do you determine the slope from two points when all the numbers are negative?
    GB742
    Top Answerer
    You can do this as you would if the numbers were positive using the 'rise over run' formula m = (y2 - y1)/(x2 - x1). For example, if point A has the coordinates (-8, -26) and point B has the coordinates (-2, -58): (-58 - -26)/(-2 - -8) = (-32)/(6) = -32/6, therefore, the slope of the line connecting A and B is -32/6.
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