Hello!
To find the amount of miles a car can drive with one gallon, divide the total miles by the amount of gallons it takes to drive that specific amount of miles.
450 miles / 18 gallons = 25 miles per gallon
Therefore, you can drive 25 miles with one gallon of gas.
The quadratic has one root with multiplicity 2 if the discriminant is 0, which is

(That is, for a quadratic
, the discriminant is
.)
Set the discriminant equal to 0 and solve for
:





Answer:
33 there you go
Step-by-step explanation: