2 comments

  1. “Anyone else spot the mistake in line 4?”

    Nice try, but I graduated. That means I don’t have to do math homework anymore.

  2. There is either a sign error or, more likely, just sloppy penmanship in line five but line 4 is right. (Is it still penMANship? Should it be penPERSONship?😉)

    In line 5 it looks to me like he ran the bottom line of the equals symbol to the line below the 71 and above the 32 making it look like he has -71/32. The sloppy work is so obvious that, if I were grading it, I’d take off something as an admonishment but not enough to be meaningful.

    As as aside, in 12 years as an engineering professor I had exactly one student who turned in neat work but struggled with the material. Since graduation she has had a better career than I expected. Neatness counts. So does being accustomed to having to work extra hard all the time.

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