SOLUTION: Quadratic Growth: Suppose instead that the town experiences quadratic growth of the form P=8t^2+Po where t is the time in years from 2010. a) Insert the valu8e of Po that your gr

Algebra ->  Equations -> SOLUTION: Quadratic Growth: Suppose instead that the town experiences quadratic growth of the form P=8t^2+Po where t is the time in years from 2010. a) Insert the valu8e of Po that your gr      Log On


   

Question 206708: Quadratic Growth:
Suppose instead that the town experiences quadratic growth of the form P=8t^2+Po where t is the time in years from 2010.
a) Insert the valu8e of Po that your group has decided upon inot the equation. Use t^2 to type t-squared.
I decided to use 40 to substitute for Po. I think that my equation should look like this P=8t^2+40 I hope that this part i got it right. my other question is part of this equation.
c) Use your equation from part a to approximate how many years it will take for the population to reach 7,000. Round to the nearest whole year when neccessary. The only thing i know is that my equation should look like this 7000=8t^2+40 and thats all i know. I need help on how to go about this equation and still answer the question. Can someone please help me. I need someone to answer me A.S.A.P. I just want to say something the Po looks like a P with a 0 under and very little i hope i made myself clear and understandable.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Quadratic Growth:
Suppose instead that the town experiences quadratic growth of the form P=8t^2+Po where t is the time in years from 2010.
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a) Insert the value of Po that your group has decided upon into the equation. Use t^2 to type t-squared.
I decided to use 40 to substitute for Po. I think that my equation should look like this P=8t^2+40 I hope that this part i got it right. my other question is part of this equation.
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c) Use your equation from part a to approximate how many years it will take for the population to reach 7,000. Round to the nearest whole year when neccessary. The only thing i know is that my equation should look like this 7000=8t^2+40 and thats all i know. I need help on how to go about this equation and still answer the question.
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Your work is correct up to this point.
Now 8t^2+40 = 7000
8t^2 = 6960
t^2 = 870
t = 29.50
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Year the population will be 7000?
2010+29.5 is 2039.5
Rounded up the year will be 2040
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Cheers,
Stan H.