Задание

Запишите системы линейных неравенств, эквивалентных квадратичному неравенству

\(\displaystyle \frac{x+9}{x+79}\le 0{\small.}\)

\(\displaystyle \left\{ \vphantom{\begin{aligned} 1\\[10px] 1 \end{aligned}} \right. \)
\(\displaystyle x+9\)[?|≤|≥|=|>|<]\(\displaystyle 0{\small ,}\)
\(\displaystyle x+79\)[?|≤|≥|=|>|<]\(\displaystyle 0\)
или
\(\displaystyle \left\{ \vphantom{\begin{aligned} 1\\[10px] 1 \end{aligned}} \right. \)
\(\displaystyle x+9\)[?|≤|≥|=|>|<]\(\displaystyle 0{\small ,}\)
\(\displaystyle x+79\)[?|≤|≥|=|>|<]\(\displaystyle 0{\small .}\)