HELP ASAP!!

1. How can you determine the zeros, the vertex, and axis of symmetry of a quadratic graph? (MP 5, 6)



2. How are zeros and the vertex of a quadratic function interpreted in the real world? (MP4)



3. How do you find the solutions to a system of equations involving quadratic functions and other functions? (MP 6)



4. What is the effect on the graph of f(x) if it is changed to f(x) + 7 and f(x + 7)? (MP 6, 7)



5. How many solutions can a quadratic equation have and why does it vary? How would the corresponding graphs look like? (MP6)

Pls I need help with all of these, even short answers are appreciated!