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Sample Final 1

Sample Final 1 - Math 148 Final Exam Autumn 2005 Page 1 of...

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Math 148 Name: Final Exam SSN: Autumn 2005 12/5/05 Lecturer: Page 1 of 15 Recitation Instructor: Form A Recitation Time: Please clearly show all of your work. Partial credit will be awarded based on the work that is shown. A correct answer with no supporting work will receive NO credit. Please, CIRCLE YOUR ANSWERS . All questions are worth 10 points. If you use the graphing features on your calculator to solve a problem, you must SKETCH AND LABEL ALL GRAPHS AND TABLES . Part I 1. (a) Find the distance between the two points ( - 6 , 4) and ( - 11 , 10) . (Round your answer to 2 decimal places.) (b) Find the midpoint of the line segment joining the two points from part (a).

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Page 2 of 15 2. Solve the following system of equations. x 2 + 5 x = y y + 12 = 13 x
Page 3 of 15 3. Find all solutions to the following equation. (Round each answer to 2 decimal places.) x 3 + 13 x - 8 x 2 + 4 = 0

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Page 4 of 15 4. A car enters I-70 W in Columbus heading towards Indianapolis, which is 180 miles away, at the same time a truck enters I-70 E in Indianapolis heading towards Colum- bus. The car travels at an average speed of 65 mph, and the truck travels at an average speed of 80 mph. How many hours will it take for the car and truck to meet?
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