(10 +/- √28)/18 and since the discriminant is just the number under the radical, we don't have to go any further. 28 was the number did i get it right?
Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?