Asked by Derek

Determine a vector equation for the line through the points (-1, 4) and (2, -1).

I said: r= (-1,4) + (4,-5), tER, is that correct?
Answered by Derek
I think I found my mistake, I added wrong lol!
Answered by Derek
Yup, I got it, it should be r= (-1,4) + (3,-5), tER..yay for me! lol
Answered by drwls
what does tER mean, anyway?
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