Matrix Operations Made Eas[y](ier than necessary), or Always Read the Whole Question

So, last semester I took MAT187, Precalculus. The course was conducted using MathXL, which is produced by Pearson. I think it’s safe to talk about this now that I’ve finished the class and I have my passing grade. This was an actual test question the chapter quiz on matrix operations. I copied it verbatim when … More Matrix Operations Made Eas[y](ier than necessary), or Always Read the Whole Question