1. Write 3 quadratic equations that are NOT equivalent, each forming a graph with vertex (-2, 3).

2. Write 2 quadratic equations that are NOT equivalent, each forming a graph with x-intercepts (-3,0) and (1,0)

3. Write 1 quadratic equations that forms a graph through the points (-4,2) and (2,2) and has a maximum value at the vertex.

4. Write 1 quadratic equation that forms a graph through the points (-4,2) and (1,2) and has a minimum value at the vertex.