MultiFinalExam09

MultiFinalExam09 - FORM A Math 2224 Common Final Exam...

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FORM A Math 2224 Common Final Exam, Spring 2006 Instructions : Please enter your NAME, your ID NUMBER, the FORM DESIGNATION LETTER and your CRN NUMBER on the op-scan sheet. The index number should be written in the upper right-hand box labeled “Course”. Darken the appropriate circles below the ID number and form designation letter. Use a No. 2 pencil; machine grading may ignore faintly marked circles. Mark your answers to the test questions in rows 1–14 of the op-scan sheet. Your score on this part of the test will be the number of correct answers. You have one hour to complete this part of the final exam. Calculators are not allowed. 1. Which one of the following equations describes a hyperboloid of two sheets? (1) x 2 y 2 + z 2 1 = 0. (2) x 2 y 2 z 2 + 1 = 0. (3) x 2 + 2 x y 2 z 2 = 0. (4) x 2 2 x y 2 + z 2 + 1 = 0. 2. At a certain instance, a cylinder with circular cross-section has height 20 cm. which is increasing at the rate of 2 cm/sec., and radius 10 cm. which is decreasing at the rate of
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MultiFinalExam09 - FORM A Math 2224 Common Final Exam...

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