WILL GIVE BRAINIEST!!!!

1. Please explain the steps to find the vertex and axis of symmetry for a quadratic function. use an example to help you explain.

2. How do you write the equation of a quadratic function when you only have 3 points? Use an example to help you explain.

3. What are the maximum and minimums of a quadratic function? How can you tell it is a maximum or a minimum? Use an example to help you explain.