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

Question

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

Quizplus · Accepted Answer

An increase in z will shift the line showing the relationship between x and y to the left. This is because an increase in z will cause the line to rotate clockwise around the point (0,0).

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