Answer:

Step-by-step explanation:
The vertex form of an equation of a parabola:

(h, k) - vertex
We have

We must use the formula: 

Use the distributive formula a(b + c) = ab + ac

X would be 0.5. Hope this helped
1: 7
2: Yes, 20 because it’s isolated from the rest of the points
(I don’t know the other ones, sorryyyyy)
Answer:
1
Step-by-step explanation:
2/4 + 1/2 = 1
Hope this helps you!