Question

You get 100 points for the 1 answer that is right

Answer 1

We need slope

Take 2 points

• (1,-0.4)
• (2,-0.8)

$\\ \tt\hookrightarrow m=\dfrac{-0.8+0.4}{2-1}$

$\\ \tt\hookrightarrow m=\dfrac{-0.4}{1}=-0.4$