Answer:

the vertex form of the equation can be written as;

The standard form of the quadratic equation is;

Step-by-step explanation:
Given that the vertex is (0,6);

And passes through the point (-1,9);

Recall that the vertex form of a quadratic equation can be written as;

To get the value of a, let us substitute the given values;

Therefore, the vertex form of the equation can be written as;

The standard form of the quadratic equation is;
