Sigh! There should really be some quality control on Cody, to save us from stupid problems like this...
The third element of aVec in the the image contained within your problem description does not match the third element of aVec used in the test suite.
Tell me the slope
Right and wrong
Convert Fahrenheit to Celsius
Sum of the Matrix Elements
length of a vector
07 - Common functions and indexing 3
03 - Matrix Variables 2
06 - Matrix Equations 1
05 - Vector Equations 3
03 - Matrix Variables 5
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