ANSWER:

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Given the points $(0, 0)$and $(5, 2)$ substitute the coordinates into the formula:

$$\text{slope}=\frac{\mathrm{-1--6}}{-4-2}=-\frac{5}{\mathrm{6<br><span\; style="font-family:\; "Helvetica\; Neue",\; Helvetica,\; Arial,\; sans-serif;"></span>}}$$