Answer:
b. the symbol has or equal to
Step-by-step explanation:
Required
When does an inequality have a solid line
The question is pretty straightforward and the answer is (b) which means that when the symbol has or equal to.
This implies that, the symbol could be:
> or = i.e. [tex]\ge[/tex]
and it could also be:
< or = i.e. [tex]\le[/tex]
Take for instance:
[tex]x + 1 \ge 2[/tex] and [tex]y- 5\le 10[/tex]
The above expressions will have a solid line