Find the vertex, focus, and directrix of the parabola with the given equation.y2 - 12y + 12x + 108 = 0
A. vertex: (6, 6)
focus: (6, 9)
directrix: y = 3
B. vertex: (-6, 6)
focus: (-9, 6)
directrix: x = -3
C. vertex: (6, 6)
focus: (6, 3)
directrix: y = 9
D. vertex: (-6, 6)
focus: (-3, 6)
directrix: x = -9
Answer: B
You might also like to view...
Solve the problem.A person burns 7.1 calories per minute while walking. How many calories will be burned if the person walks for 5 hours?
A. 355 calories B. 35.5 calories C. 21,300 calories D. 2130 calories
Find the domain and the vertical asymptote of the function.f(x) = 3 - log2x
A. Domain: (3, ?); vertical asymptote: x = 3 B. Domain: [0, ?); vertical asymptote: none C. Domain: (0, ?); vertical asymptote: x = 0 D. Domain: [0, ?); vertical asymptote: x = 0
Find the midpoint of the line segment joining the two points.(1, 6) and (-9, -4)
A. 
B. 
C. 
D. 
Express the statement as an equation involving the indicated variables.The area A of a triangle is one-half the product of its base b and its height h.
A. A = 
(b + h)
B. A = 
bh
C. A = bh
D. A = 2bh