Use the quadratic formula to solve the quadratic equation.9k2 - 26k - 3 = 0
A. - 
, 9
B. -9, 3
C. 
, - 
D. - 
, 3
Answer: D
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Use the four-step method in problem solving to solve the problem.Hannah owns 14 acres of land which she rents to a farmer for $2501 per acre per year. Her property taxes are $792 per acre per year. How much profit does she make on the land each year?
A. $46,102 B. $35,806 C. $34,222 D. $23,926
Solve the problem.Find the surface area S of a right circular cylinder with radius 9 cm, and height10 cm. Use 3.14 for ?. Round your answer to one decimal place.
A. 2543.4 cm2 B. 1073.8 cm2 C. 791.3 cm2 D. 536.9 cm2
Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height h of the outside walls.
a = b = 6 m
A. 40 m B. 9.1 m C. -10 m D. 82 m
Solve the problem.A rock falls from a tower that is 336 feet high. As it is falling, its height is given by the formula 
How many seconds (in tenths) will it take for the rock to hit the ground (h = 0)?
A. 18.3 sec B. 7056 sec C. 4.6 sec D. 17.9 sec