Answer:
z^2 = -12y
or y = -(z^2/12)
Step-by-step explanation:
Answer:
z^2 = -12y
Step-by-step explanation:
Given the vertex at origin;
This is same as (0,0)
The focus (0,-3)
The general form is;
(z-h)^2 = 4p(y-k)
(h,k) is the vertex (0,0); so h = 0 and k = 0
The focus is given as;
(h,k + p)
so ;
k + p = -3
but k =0
so p = -3
Thus, the equation of the parabola is;
(z-0)^2 = 4(-3)(y-0)
z^2 = -12y
Divide by two if you are dividing by two...
we know that
so
therefore
the answer is the letter k
see the attached figure
Answer:
The number of costumes Scott makes is 16.
Step-by-step explanation:
Let us assume that the number of costume Scott makes be x.
As given
Scott is making costumes for a dance recital. He has 12 yards of purple fabric.
Than the equation becomes
Simplify the above
x = 16
Therefore the number of costumes Scott make be 16 .
Answer:
a. a^n = 8n - 19
b. a^n = 81 - 27(n - 1) = 81 - 27n + 27 = 108 - 27n
c. a^n = -5+18(n-1)