Question

Need help on this picture ​

Answer 1

-(1/2) or -0.5

Explanation:

select two coordinates. for example, (2,2) and (4,1).

do (y2 - y1) ÷ (x2 - x1).

in this case, (1 - 2) ÷ (4 - 2). you should end up with -(1/2), or -0.5

Answer 2

The slope is -1/2