Tickets for the school play cost $4 for students and $7 for adults. For one performance, 146 tickets were sold for $779. How man
1 answer:
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Answer:
Step-by-step explanation:
The given quadratic equation is:
Comparing it with the standard form of Quadratic Equation , we get:
a = 3, b = -9 and c = 1
Discriminant = b² - 4ac
D = (-9)²-4(3)(1)
D = 81 - 12
D = 69
Answer:
Step-by-step explanation:
Convert equation to standard form
