During a science experiment, Kyle counted the number of bacteria present in a petri dish after every minute. Number of Minutes Number of Bacteria
1 1
2 4
3 9
4 16
Assuming the pattern continues, how many bacteria will there be after 20 minutes? Explain how you got your answer.

solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.

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step-by-step explanation:

it me < 3

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some people may think so but i don't. its just a human instinct in my opinion.

have a fantastic day! ~pooch ♥

1.44 centimeters is the correct answer