Test Bank For ECON Macroeconomics 1st Edition By William A. McEachern
ISBN-10: 0324587805, ISBN-13: 9780324587807
Chapter 1 Appendix—Understanding Graphs
MULTIPLE CHOICE
Exhibit 1-1
- In Exhibit 1-1, point c represents
| a. | x = 30, y = 60 |
| b. | x = 60, y = 30 |
| c. | c = 90 |
| d. | x y = 60 |
| e. | x y = 30 |
ANS: B                   PTS:  1                   DIF:   Easy              NAT: Analytic
LOC: Understanding and applying economic models              TOP:  Understanding Graphs
- Point b in Exhibit 1-1 represents
| a. | x = 30, y = 60 |
| b. | x = 60, y = 30 |
| c. | x y = 60 |
| d. | x y = 30 |
| e. | b = 90 |
ANS: A                   PTS:  1                   DIF:   Easy              NAT: Analytic
LOC: Understanding and applying economic models              TOP:  Understanding Graphs
- Point a in Exhibit 1-1 represents
| a. | the origin |
| b. | x = 0, y = 50 |
| c. | x = 50, y = 0 |
| d. | x y = 50 |
| e. | y = 0; no information is given about x |
ANS: B                   PTS:  1                   DIF:   Easy              NAT: Analytic
LOC: Understanding and applying economic models              TOP:  Understanding Graphs
- On a graph with x on the horizontal axis and y on the vertical axis, the origin is
| a. | the point where x = 0 and y = 0 |
| b. | any point where x = 0 |
| c. | any point where y = 0 |
| d. | where a curve intersects the vertical axis |
| e. | where a curve intersects the horizontal axis |
ANS: A                   PTS:  1                   DIF:   Easy              NAT: Reflective Thinking
LOC: Understanding and applying economic models              TOP:  Understanding Graphs
- If a given value of x is associated with a particular value of y,
| a. | then x causes y |
| b. | then y causes x |
| c. | then x and y must be logically connected |
| d. | there are no other variables that affect the value of y |
| e. | there may be no causal relationship between x and y |
ANS: E                   PTS:  1                   DIF:   Moderate       NAT: Reflective Thinking
LOC:   Understanding and applying economic models           TOP:   Understanding Graphs
