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)
The simplest form is 5/48
Answer:
1 is 8x + 16 = 6x
Step-by-step explanation:
-151/120x -1 or 1\120 × (-151x -120)