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math_205-exam_1

# math_205-exam_1 - Mathematics 205 Midterm Examination I...

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Mathematics 205 - Midterm Examination I - Spring 2008 Thursday: February 14, 2008. Name: Professor Dodson, Section 10 Professor Dodson, Section 11 Professor Heier, Section 12 Professor Weintraub, Section 13 Professor Zhang, Section 14 Solve all of the eight problems. Please show all work to support your solutions. Our policy is that if you show no supporting work, you will receive no credit. This is a closed book test. Please close your textbook, notebook, cell phone. No calculators are allowed in this test. Please do not start working before you are told to do so. Problem 1 /15 points Problem 2 /15 points Problem 3 /15 points Problem 4 /10 points Problem 5 /10 points Problem 6 /10 points Problem 7 /10 points Problem 8 /15 points Total points /100 points 1

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1. (15 points) Solve the following consistent system of equations x 1 + 2 x 2 + 3 x 3 + 4 x 4 + 5 x 5 = 2 2 x 1 + 4 x 2 + 9 x 3 + 14 x 4 + 22 x 5 = 7 5 x 1 + 10 x 2 + 17 x 3 + 25 x 4 + 36 x 5 = 12 2
2. (15 points) Find condition(s) on

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math_205-exam_1 - Mathematics 205 Midterm Examination I...

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