Respuesta :

the slope is negative one half or -1/2

In the equation of a straight line:  y = mx + c, slope is  denoted

 by the letter m.


[tex]\it -2y = x-1|_{:(-2)} \Rightarrow y = -\dfrac{1}{2}x+\dfrac{1}{2} \Rightarrow m = -\dfrac{1}{2}[/tex]