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Mathematics 15 Online
OpenStudy (anonymous):

PLEASE HELP ??????FIND THE SLOPE A(2,1),B(-2,3)

OpenStudy (jdoe0001):

\(\bf \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ &(2\quad ,&1)\quad &(-2\quad ,&3) \end{array} \\\quad \\ slope = m= \cfrac{rise}{run} \implies \cfrac{y_2-y_1}{x_2-x_1} \\ \quad \\ y-y_1=m(x-x_1)\qquad \textit{plug in your values and solve for "y"}\)

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