anamatiascamaja
01.05.2022 •
Mathematics
Bro help i dont get this question
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Ответ:
You can tell immediately, by inspection, that this system of linear equations has a solution, because the two lines cross in exactly one point: (-1, -1). If the lines were parallel, and never touched one another, then: no solution. If the lines coincided, one lying directly on top the other, then there's be infinitely many solutions.