Graph the ellipse and locate the foci.9x2 + 16y2 = 144
A. foci at (0, 
) and (0, -
)
B. foci at (4, 0) and (-4, 0)
C. foci at (5, 0) and (-5, 0)
D. foci at (
, 0) and (-
, 0)
Answer: D
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Find an equation of a parabola satisfying the given conditions.Find the equation of the parabola with vertex at the origin and axis along the y-axis if the parabola passes through the point 
A. x2 = -16y
B. y2 = 16x
C. x2 = 
y
D. y2 = 80x
Find the percent using a proportion. Round your answer to the nearest tenth if necessary.What percent of 46 rabbits is 705 rabbits?
A. 1532.6% B. 153.3% C. 0.7% D. 0.1%
Graph the system of inequalities.4x + 3y ? 12x ? y 
A. 
B. 
C. 
D. 
Solve the problem.A grocery store estimates that the revenue (in dollars) from the sale of x cases of condensed soup is given by R(x) = -5500 + 9.3x - 0.0016x2. Use the differential to approximate the change in revenue from the sale of one more case of soup when 1400 cases are sold.
A. -$7.06 B. $7.06 C. $4384.00 D. $4.82