Which shows the correct substitution of the values a, b, and c from the equation 0 = - 3x? - 2x + 6 into the quadratic
formula?
Quadratic formula x= -1Vb?-100
20
1--2) +/- 2)2 - 4(-3)(0)
2-3)
- 2 +7 22.-46-3)(6)
21-3)
x=-(-2)^(-2)2 - 43)(6)
23)
x = -2 +12? - 4336
2(3)

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?