Given that the directrix is at y = 4 and the focus is at (0, -4), then the vertex is at (h, k) = (0, 0).
p is the distance between the vertex and the focus and between the vertex and the directrix = 4 and since the focus is below the directrix, p is negative, i.e. p = -4
Equation of a parabola is given by (x - h)^2 = 4p(y - k)
Therefore, the required equation is (x - 0)^2 = 4(-4)(y - 0)
x^2 = -16y
y = -1/16 x^2
Answer:-2x^2(2-1)
Step-by-step explanation:
-4x^2 + 2x^2=-2x^2(2 - 1)
Hello :
A= W×L
W =A/L
W = (<span>x^3+2x^3-5x-66) / (x+6).......
</span>Review your statement........
B and C I believe .............
Answer:
a. {(0, 7), (-1, 6)}
Step-by-step explanation:
subtract the equations
for 
, substitute x = 0
for , substitute x = 0
