Given: a graph of inequality is given
Find: the equation
Explanation: from the graph we will right the equation of the line ,and shaded area is greater than type , so the equation becomes
[tex]\begin{gathered} \frac{x}{\frac{-1}{3}}+\frac{y}{1}\ge1 \\ -3x+y\ge1 \\ y\ge3x+1 \end{gathered}[/tex]
