Answer:

Step-by-step explanation:
We know that the vertex(lowest point) of
is
.
By inspection, we can see that the vertex of the graph is
.
So, the lowest point of
is
, which means 
Answer:
slope= 4,
Step-by-step explanation:
y = 4x-6
Answer:
y = -8
Step-by-step explanation:
There is no x-variable as that would make the line tilt.
Hope this helps! Have a nice day!