-In the figure above, an increase in z leads to a
A) rightward shift of the line showing the relationship between x and y.
B) leftward shift of the line showing the relationship between x and y.
C) movement down along one of the lines showing the relationship between x and y.
D) movement up along one of the lines showing the relationship between x and y.

Question

-In the figure above, an increase in z leads to a
A) rightward shift of the line showing the relationship between x and y. 
B) leftward shift of the line showing the relationship between x and y. 
C) movement down along one of the lines showing the relationship between x and y. 
D) movement up along one of the lines showing the relationship between x and y.

Quizplus · Accepted Answer

An increase in z typically represents a change in an external factor that shifts the entire line or curve, rather than causing movement along the line.

-In the Figure Above, an Increase in Z Leads to a