MATH 220 Midterm: Math 220 midterm_makeup_A_fa16_Key
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On your scantron, write and bubble your psu id, section number, and test version. Failure to correctly code these items may result in a loss of 5 points on the exam. On your scantron, bubble letters corresponding to your answers on indicated questions. It is a good idea for future review to circle your answers in the test booklet. Check that your exam contains 20 multiple-choice questions, numbered sequentially. The use of a calculator, cell phone, or any. Other electronic device is not permitted in this. The use of notes of any kind is not permitted. Page 2 x1 x2 x3: if . Is the solution of the system of linear equations x2 + 4x3 = 5 x1 + 3x2 + 6x3 = 2. 3x1 + 6x2 + 2x3 = 5 what is the value of x3: 10, 1 c) . 4: 21, how many solutions does the following linear system have? x1 + x2 + x3 = 2.