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elena-s [515]
3 years ago
15

Please please please help if you can! Thank you!!

Mathematics
1 answer:
asambeis [7]3 years ago
8 0

Answer:

There are 16 rows of seats in the auditorium.

Step-by-step explanation:

Jose is correct in writing out 416 = 2x² - 6x.

Rewriting this in descending order by powers of x, we get:

2x² - 6x - 416 = 0  

Dividing all four terms by 2 simplifies this equation to x² - 3x - 208 = 0.  This equation, in turn, factors to (x + 13)(x - 16) = 0.  The only reasonable answer is x = 16.  Jose's solutions are incorrect.

There are 16 rows of seats in the auditorium.

The number of seats per row is 416/16, or 26.

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