Posted by **Ryan** on Thursday, September 13, 2012 at 7:21pm.

Use the following table to answer questions.

x y

1 7

3 ?

? 11

7 13

? ?

What are the values of x and y in the last row of the table?

What is the rule for this table?

- Math -
**Ms. Sue**, Thursday, September 13, 2012 at 7:26pm
2 is added to the previous number.

- Math -
**Reiny**, Thursday, September 13, 2012 at 7:28pm
not nearly enough information, since only two ordered pairs are given.

Is the relation linear? , then we could do it.

slope = (13-7)/(7-1) = 1

so y = x + 6

so the table would be:

1 7

3 9

5 11

7 13

? ? , your choice

however , as I implied there could be other rules

e.g. y = (1/6)(x-1)^2 + 7 , also contains (1,7) and (7,13)

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