The average number of people who attended football games at a stadium increased from 8,000 people in the year 2005 to 12,500 people in the year 2012. By what percentage did the average number of people at the games
increase from 2005 to 2012?
А
56.25%
B
43.75%
C 36%
D 64%

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer

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step-by-step explanation: