Answer:
The answer is B. (2.5,-0.5).
Step-by-step explanation:
You would substitute the ordered pair into the first equation, making it
3(2.5)-(-0.5)=8. So the equation would become 7.5-(-0.5)=8, or 7.5+0.5=8. 8=8 is a true statement.
Answer:
-6x-12
Step-by-step explanation:
The closed bracket at 5 means there is a closed circle.
The fact it goes to negative infinity means the graph goes infinitely to the left.