300+10+2 +.10=.5 hope this helps you
ANSWER
Focus:

Directrix:

EXPLANATION
The given parabola has equation:

We compare this to the general equation,

Comparing the coefficient of x, we have:
-4p=-1

The focus is (-p,0)

The equation of the directrix is
x=p

Answer:
6
Step-by-step explanation: