A change in a third variable not on either axis of a graph is ...

[imowrer]

A change in a third variable not on either axis of a graph is illustrated with a:
 a. horizontal or vertical line. b. movement along a curve.
  c. shift of a curve. d. point of intersection.

Question 2

A shift in a curve represents a change in:
 a. the variable on the horizontal axis.
  b. the variable on the vertical axis.
  c. a third variable that is not on either axis.
  d. any variable that is relevant to the relationship being graphed.

[AmberC1996]

Answer to Question 1

c

Answer to Question 2

c

[imowrer]

Great answer, keep it coming

[kjohnson]

Thanks for the timely response, appreciate it