Answer:
[tex]-\frac{1}{2}[/tex]
Step-by-step explanation:
Since we have that:
[tex]p=-0.5[/tex]
We'll have that:
[tex]\frac{1}{4p}\rightarrow\frac{1}{4(-0.5)}\rightarrow-\frac{1}{2}[/tex]
Therefore, we can conclude that the answer is:
[tex]-\frac{1}{2}[/tex]
