A scientist planted seeds in 4 sections of soil for an experiment. Not all of the seeds grew into plants.

Question

TABLE 

 

Section           Size of section (Square feet)              Number of plants

    1                            25                                                  13

    2                            100                                                 38

    3                            125                                                 47

    4                            150                                                 62

.explain or show how you determined your approximation.

 

.Let y be the number of plants expected to grow in x square feet. Write an equation the scientist could use to model the relationships between y and x.

 

 

 

Answer 1

You can use linear regression on your graphing calculator.

 

Go to STAT, and press ENTER.  Then enter the data into the table.  Then press STAT, go to CALC, and scroll down to the LinReg function.  Press ENTER until you see the results.