Answer: -7.5
Step-by-step explanation:
area = 1/2bh.
area = 1/2(x+6)(5)
area = x/2 + 15
area = x/2 = -15
area = x = -7.5
area = -7.5
No, a closed circle does include that number.
Closed circles are used for greater than or equal to or less than or equal to
Open circles are only used for greater than or less than
What are you trying to ask ??
The inequality sign is greater than or equal to, which means the line would be solid and the shaded portion would be to the right of the line.
The correct graph would be A.