Задание 1, стр 176

Question

Решите неравенства и изобразите множество решений на числовой оси:
$$a) \ x-7>0\quad b) \ x+6 < 0\quad c) \ x+1,5\geq 0\quad d) \ x-0,6\leq 0$$

Gimli · Accepted Answer

a) $$x-7>0$$ $$x>7$$ \begin{figure}[H] \centering \begin{tikzpicture}[>=stealth]\centering \draw[->] (0,-3) -- (6,-3); ode at (2,-3.2){$7$}; \draw (2,-3) circle[radius=2.4pt]; ode at (4, -2.8){$/////////////////////$}; \end{tikzpicture} \end{figure} b) $$x+6<0$$ $$x<-6$$ \begin{figure}[H] \centering \begin{tikzpicture}[>=stealth]\centering \draw[->] (0,-3) -- (6,-3); ode at (3,-3.2){$-6$}; \draw (3,-3) circle[radius=1.5pt]; ode at (1, -2.8){$/////////////////////$}; \end{tikzpicture} \end{figure} c) $$x+1,5\geq 0$$ $$x\geq -1,5$$ \begin{figure}[H] \centering \begin{tikzpicture}[>=stealth]\centering \draw[->] (0,-3) -- (6,-3); ode at (2,-3.2){$-1,5$}; \fill (2,-3) circle[radius=2.4pt]; ode at (4, -2.8){$/////////////////////$}; \end{tikzpicture} \end{figure}\ d) $$x-0,6\leq 0$$ $$x\leq 0.6$$ \begin{figure}[H] \centering \begin{tikzpicture}[>=stealth]\centering \draw[->] (0,-3) -- (6,-3); ode at (3,-3.2){$0.6$}; \fill (3,-3) circle[radius=1.5pt]; ode at (1, -2.8){$/////////////////////$}; \end{tikzpicture} \end{figure}

Задание 1, стр 176

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Задание 1, стр 176

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