Step-by-step explanation:
Let the checking be x
Let the savings account be y
Since the total amount must be greater than 500
[tex]\begin{gathered} \text{Hence, mathematically, this can be express as} \\ x\text{ + y }\ge\text{ 500} \end{gathered}[/tex]Question 2
The line will be a solid line because it is greater or equal to
Since the total is greater than 500, hence, the upper region of the line will be shaded