Question

Use the coordinates of the plotted points to complete the calculation below. Pay attention to negative signs

Answer 1

answer:

-1/2

explanation

1-2 / 4-2 = -1/2

Answer 2

Slope between two points

 $(x_{1},y_{1}) \text{and},(x_{2},y_{2}) \text{is equal to}\\\\\text{and}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\=\frac{1-2}{4-2}\\\\=\frac{-1}{2}$

Option D                                

  $\frac{-1}{2}$