Answer:
multipy them
Step-by-step explanation:
Semi perimeter:-
Apply heron s formula
Area:-
Answer y = 1/4 (x+3)^2 + 4
If the focus is (-3, 3) and the directrix is y=5, the vertex is at (-3, 4). a = 1/4p, p=1, a=1/4. (h,k) is the vertex.
y=a(x-h)^2 +k
y=1/4(x+3)^2+4
