Answer:
I think its A but im not sure
Step-by-step explanation:
Answer:
(-1,-2)
Step-by-step explanation:
Let's bring back to memory vertex formula for parabolas.

Where (h,k) is the vertex.
In 
The vertex is (-1,-2)
Answer:
14
Step-by-step explanation:
Use rise over run, (y2 - y1) / (x2 - x1)
Plug in the points:
(y2 - y1) / (x2 - x1)
(8 + 20) / (5 - 3)
28 / 2
= 14
So, the slope is 14.
Step-by-step explanation:
I can't see the question your talking about