Title: MATH TEST

\( \begin{array}{c|lcr} a &  \text{x} \\ \hline a>0 &   x< \dfrac{b}{a}  \\  a<0 &   x> \dfrac{b}{a}  \\a = 0, b > 0 &  \text{all real data} \\ a=0,b \leqslant 0 & \text{no value} \end{array} \)

\( \begin{array}{c|lcr} a &  \text{x} \\ \hline a>0 &   x< \dfrac{b}{a}  \\  a<0 &   x> \dfrac{b}{a}  \\a = 0, b > 0 &  \text{all real data} \\ a=0,b \leqslant 0 & \text{no value} \end{array} \)

\( \begin{array}{c|lcr} a &  \text{x} \\ \hline a>0 &   x< \dfrac{b}{a}  \\  a<0 &   x> \dfrac{b}{a}  \\a = 0, b > 0 &  \text{all real data} \\ a=0,b \leqslant 0 & \text{no value} \end{array} \)

\( \begin{array}{c|lcr} a &  \text{x} \\ \hline a>0 &   x< \dfrac{b}{a}  \\  a<0 &   x> \dfrac{b}{a}  \\a = 0, b > 0 &  \text{all real data} \\ a=0,b \leqslant 0 & \text{no value} \end{array} \)