Determine the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (0, 0)
foci at (0, 9) and (2, 0)
vertices at (0, 81), (4, 0)
B. center at (0, 0)
foci at (0, -9) and (0, 9)
vertices at (0, -81), (0, 81)
C. center at (0, 0)
foci at (- 
, 0) and (
, 0)
vertices at (-9, 0), (9, 0)
D. center at (0, 0)
foci at (0, - 
) and (0, 
)
vertices at (0, -9), (0, 9)
Answer: D
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Graph the line through the given point with the given slope.(-6, -6) , m = 
A. 
B. 
C. 
D. 
Solve the equation.
= 35
A. {-5, 5} B. {0, 5} C. {-5, 0} D. {5}
Find the equation of the parabola determined by the given information.Vertex at the origin, focus at (0, -4)
A. y2 = -4x
B. y = - 
x2
C. y2 = -16x
D. y = - 
x2
Solve the problem.The logistic growth model 
represents the population of a bacterium in a culture tube after t hours. When will the amount of bacteria be 740?
A. 6.29 hours B. 12.28 hours C. 8.25 hours D. 2.26 hours