anonymous
  • anonymous
In an experiment, a petri dish with a colony of bacteria is exposed to cold temperatures and then warmed again. Find a quadratic model for the data in the table. Type your answer below. Show your work.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Time (hours) 0 1 2 3 4 5 6 Population (1000s) 5.1 3.03 1.72 1.17 1.38 2.35 4.08
anonymous
  • anonymous
@jim_thompson5910
anonymous
  • anonymous
@Nnesha

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campbell_st
  • campbell_st
just using something a scatter plot in excel, allows you to see that the data forms a parabola. So I'd expect you need to use some software that allows you to do quadratic regression. Its the same as linear regression, but you are using a quadratic equation, rather than a linear equation to describe the data. Most graphics calculations will do quadratic regression. Unfortunately, excel doesn't. hope its of some help.
campbell_st
  • campbell_st
From memory Geogebra allows you to plot the points and then use a command something like polyfit that allows you to derive an equation from a set of points.
anonymous
  • anonymous
how do I find the quadratic model?
campbell_st
  • campbell_st
here is a site that does quadratic regression. http://www.had2know.com/academics/quadratic-regression-calculator.html just enter the 1st value for each point as x and the 2nd value as y. it will give an equation. hope it helps

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