What does 7,000-1/0 =?

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

I’m stuck on this equation, anyone got the answer?

Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons