# Math Help - Why is this answer wrong? (Linear algebra)

1. ## Why is this answer wrong? (Linear algebra)

I can't seem to figure out why this answer is wrong. It looks the same as in the book, but it doesn't seem to work out the time.

http://img.photobucket.com/albums/v3...earalgebra.jpg

2. Maybe it is just the input. Maybe it should be (3/2)*t-5

3. Ah, that was it. Thanks so much!