Question

The table shows the relationship between two variables. Is the relationship a linear function? yes or no

Answer 1

x y
1 1
2 –3
3 –7
4 –11

Answer 2

Look at the change in y for the change from x = 1 to 2. Now look at the change in y for x = 2 to 3, and 3 to 4. Are they all the same? If so, it is linear. Essentially the question is whether or not you can fit a straight line through all of the points.

Answer 3

ty