Answer:
○ B. [tex]\displaystyle y = 5x[/tex]
Step-by-step explanation:
[tex]\displaystyle \frac{-y_1 + y_2}{-x_1 + x_2} = m \\ \\ \frac{-10 \pm 0}{-5 \pm 0} = m \hookrightarrow \frac{-10}{-2} = m; 5 = m \\ \\ \boxed{y = 5x}[/tex]
This is considered direct variation because the line intersects the origin.
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