Find the vertex, the focus, and the directrix of the parabola.x2 - 8x - 8y + 8 = 0
A. V: 
; F: (4, 1), D: y = - 
B. V: (- 4, - 1); F: (4, 1); D: y = -3
C. V: 
; F: (4, -3); D: y = 1
D. V: 
; F: (4, 7); D: y = 9
Answer: B
Mathematics
You might also like to view...
Provide an appropriate response.Is 
= 9?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the requested composition or operation.f(x) = 
, g(x) = 8x - 9Find (f ? g)(x).
A. 2
B. 8
C. 2
D. 8
- 9
Mathematics
Solve the initial value problem.
= 
+ x, x > 0; y(3) = 0
A. y = 
+ 
B. y = - 
+ 
C. y = - 
+ 
- 
D. y = 
+ 
- 
Mathematics
Simplify. Assume that all variables represent positive numbers.
A. 4x2
B. 4x
C. 4xy
D. 4xy2
Mathematics