Question

Which of the following is the slope between the points (0, -10) and (-4, 0)?
1) 2/5
2) - 2/5
3) - 5/2
4) 5/2

Answer 1

To find the slope m between the points
\[(x_1,y_1) \text{ and } (x_2,y_2)\]
we use this rule :
\[m=\frac{y_2-y_1}{x_2-x_1}.\]