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Mathematics 11 Online
OpenStudy (anonymous):

Jack and Jill are trying to find the slope of a line segment connecting two points, (x1, y1) and (x2, y2). Jack uses the formula m = y2 - y1 x2 - x1 . Jill mistakenly uses a different formula, but still gets the right answer. Which formula COULD she have used?

OpenStudy (campbell_st):

jill could have used \[m = \frac{y_{1} - y_{2}}{x_{1} - x_{2}}\]

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