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Unformatted text preview: quiz. The other quizzes will probably be more like the HW than this one was, but the material gets a bit harder, and the average score usually slides down (but so does the scale). For this quiz, the approx scale is : As = 54-60, Bs = 48-53, Cs = 42-47, and Ds = 36-41. 1) It cannot. Any L.C. must be of the form b = v 1 + v 2 so it must have b 1 = b 2 , which is not true for the b that is given. Another explanation - Some people rephrased the equation as a linear system and showed it was inconsistent (Full credit). But if your justication did not seem clear or logical, it didnt get much credit. 2) The top row of the answer is [1 1 0 3] and the bottom one is [0 0 1 -2]. 3) T T F T F (already discussed in class) 1...
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- Spring '09