Can someone understand this thing?

Answer:
Answer below, if any don't make sense feel free to tell me and i can help you figure out the answers
Step-by-step explanation:
2.
For Question a the vertex is the highest or lowest point. (There is only 1 vertex)
For question b the axis of symmetry goes through the middle and the vertex and always goes vertically down.
For question c find the 2 places where the parabola touches the horizontal axis / where y=0 and give the coordinate planes
for question d find 2 places where the y intercept is the same making them symmetrical
for question e the y intercept is where x is equal to 0.