Laurie sold a house and made a commission of $14,050. She charges her customers a commission fee of 2.5% on the selling price of the house. How much was the selling price of the house Laurie sold?

Step-by-step explanation:

Let the quadratic function be

The given points must satisfy this function;

Substitute .

Substitute (0,-2)

Substitute (1,-4);

Put equation (2) into equation (1)

Put equation (2) into equation (3)

Add equation (4) and (5)

Divide both sides by 3

Put a=3 in  equation 5.

The quadratic function is;