1/2 p = -1/16 ... so p = ?
vertex is correct
find the vertex,focus and equation of the direction of y=-1/16(x-6)^2+3
Y=1/2p(x-h)^2+k
p=8 h=6 k=3
(6,3)
so vertex is (6,3), focus is (6,-1) and directrix = y=7
Is this correct?
2 answers
so would y=-1 and F(6,7)