appschap5 - the equation y = 9x 2 + 15x + 52, where x...

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Application Chapter 5 Name__________________________________ Set up and equation and solve. Show all work. 1) An object is thrown upward from the top of a 160-foot building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation h = -16t 2 + 48t + 160. When will the object hit the ground? 2) The public swimming pool, which is a rectangle measuring 25 meters by 33 meters, needs a new deck. The deck of uniform width that will surround the pool will be made of concrete. There is only enough money in the budget to cover 2880 square meters with concrete. How wide should the path be? 3) The net income y (in millions of dollars) of Pet Products Unlimited from 1997 to 1999 is given by
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Unformatted text preview: the equation y = 9x 2 + 15x + 52, where x represents the number of years after 1997. Assume this trend continues and predict the year in which Pet Products Unlimited's net income will be $598 million. 4) A machine produces open boxes using square sheets of plastic. The machine cuts equal-sized squares measuring 3 inches on a side from each corner of the sheet, and then shapes the plastic into an open box by turning up the sides. If each box must have a volume of 675 cubic inches, find the length of one side of the open box. 5) A flagpole is supported by a wire fastened 39 feet from its base. The wire is 13 feet longer than the height it reaches on the flagpole. Find the length of the wire. 1...
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This note was uploaded on 01/07/2010 for the course MATH 1 taught by Professor Staff during the Spring '08 term at UC Davis.

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