Question

  determine the quadratic function whose graph is given.

Answer 1

Step 1:

The vertex of the function is .

The point on the graph of the function is .

Vertex form of quadratic equation is , where is the vertex.

Substitute and in quadratic equation.

Step 2:

The point is passes through the function.

Substitute in the quadratic equation.

The quadratic equation is .

Solution :

The quadratic equation is .