Find the vertex, focus, and directrix of the parabola with the given equation.(x - 1)2 = 8(y + 3)
A. vertex: (-3, 1)
focus: (-3, 3)
directrix: y = -1
B. vertex: (1, -3)
focus: (1, -1)
directrix: y = -5
C. vertex: (-1, 3)
focus: (-1, 5)
directrix: y = 1
D. vertex: (1, -3)
focus: (1, -5)
directrix: x = -1
Answer: B
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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (±6, 0) and foci at (±3, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Estimate the answer to the problem.Each gallon of porch and deck paint covers 200 square feet. How many gallons are needed to cover 1320 square feet?
A. 8 gallons B. 6 gallons C. 5 gallons D. 7 gallons
Graph the polar equation.? = 
A. 
B. 
C. 
D. 
Solve by graphing. Label the axes and show where the solution is located on the graph.The cost, c, in dollars of car rental is 5 + 0.25m, where m is the number of miles driven. Graph the equation and use the graph to estimate the cost of car rental if the number of miles driven is 37.
A. About 19 dollars B. About 14 dollars C. About 10 dollars D. About 38.25 dollars