Dheeraj and Harish went to a nearby pizza shop for lunch. The shop had a unique method for the price allotment of pizza every day. The price of each pizza they prepare on a specific day is equal to 4 more than twice the total number of pizzas they produced on that day. The total cost of production on that day was 448 rupees.

1. The quadratic equation for the given situation is:
2. Find the number of pizzas produced.
3. Find the cost of each pizza.
4. For a equation \(ax^2 + bx + c = 0\), \(b^2 - 4ac\) is called the:
Reference:
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