Problem Solving Practice Activity

Solution by Differences

Complete the following difference table in order to extrapolate from the given functional values to the next two values. After entering a value, click anywhere outside the table to check its correctness. If you insert an incorrect answer, the proper answer will be inserted for you once you click outside the table and before entering the next answer. When you are ready to go on to the assessment activity, click the "GO TO QUIZ" button.

Function
Values
1st
Difference
2nd
Difference
-7
3
13
23
33

    

You should have noticed by now that the second differences in this example, not only being constant are also zero (0). What do you conclude from this?


Last updated 2001/06/06
© J.A.N. Lee, 2000-2001.