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Unformatted text preview: Name: MATH 216 MIDTERM 1 SOLUTIONS This Exam contains 5 problems. Each part of a problem counts equally. To receive full credit you must show all your work. NO CALCULATOR. 1 TWO-SIDED 3in. BY 5in. NOTECARD OK. CHECK YOUR SECTION IN THE TABLE Sec. Time Exam rm. Professor GSI ME 10 9-10 170 Dennison John Erik FORNAESS Jingchen WU 20 10-11 182 Dennison John STEMBRIDGE Shawn HENRY 30 11-12 1324 EH Manabu MACHIDA Lindsey MCCARTY 40 12-1 AUD 3 MLB Weiyi ZHANG Aubrey DA CUNHA 50 1-2 AUD 3 MLB Weiyi ZHANG Zhao LAN 60 2-3 1400 Chem Jeffrey BROWN Ashley HOLLAND X X 455 Dennison Makeup/Extended time 4:30-10:30 pm X 1 2 Problem 1. (8 pts) True/False questions. No partial credit will be awarded on this problem. (a) If dy dx = 1 x 2 , then y =- 2 x 3 + C FALSE (b) The general solution to the differential equation dy dx =- e- x sin( e- x ) is y =- cos( e- x ) + C. TRUE (c) The functions e x ,e 2 x and e 4 x are linearly independent....
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