A general form of a quadratic equation, y = ax2 bx c, can be written in the standard/vertex form, y = a(x - h)2 k. Choose the correct values (a, h) as a pair for scenario 9.

Scenario 9 An owner of a barbecue grill store has found out at a price p(x)=150-x/4 per grill, x grills can be sold for a week. Let y n dollars be the weekly revenue that the store will obtain if the weekly demand is x dollars.