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A line passes through the point (d, d) and has a slope of k. Which equation models the line?
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A line passes through the point (d, d) and has a slope of k. Which equation models the line?

User Pseudomarvin
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\bf \begin{array}{lllll} &x_1&y_1\\ % (a,b) &({{ d}}\quad ,&{{ d}})\quad \end{array} \\\\\\ % slope = m slope = {{ m}}= \cfrac{rise}{run} \implies k \\\\\\ % point-slope intercept \stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-d=k(x-d)\implies y-d=kx-kd \\\\\\ y=kx-kd+d
User Juanita
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