, ACCESS Test Bank for Economics for Today 11th Edition Tucker
Name: Class: Date:
Chapter 01A - Applying Graphs to Economics
1. An upward-sloping line or curve is used to illustrate:
a. a direct relationship.
b. an inverse relationship.
c. two unrelated variables.
d. the ceteris paribus assumption.
ANSWER: a
2. Suppose two variables are directly related. If one variable rises, then the other variable:
a. also rises.
b. falls.
c. remains unchanged.
d. reacts unpredictably.
ANSWER: a
3. Which of the following pairs is the most likely to exhibit a direct relationship?
a. The price of gasoline and the amount of gasoline that people purchase.
b. Annual income and new vehicle purchases.
c. Outdoor temperature and heating oil sales.
d. Washing machine purchases and trips to the laundromat.
ANSWER: b
Exhibit 1A-1 Straight line
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, ACCESS Test Bank for Economics for Today 11th Edition Tucker
Name: Class: Date:
Chapter 01A - Applying Graphs to Economics
4. In Exhibit 1A-1, as X increases along the horizontal axis, from point A to point B on the line, the Y values:
a. increase so the relationship between X and Y is direct.
b. decrease so the relationship between X and Y is inverse.
c. remain unchanged so the relationship between X and Y is independent.
d. change so the relationship between X and Y is variable.
ANSWER: a
Exhibit 1A-7 Straight line relationship
5. According to Exhibit 1A-7, the relationship between annual income and air-travel expenditures is:
a. direct.
b. inverse.
c. complex.
d. independent.
ANSWER: a
6. A direct relationship is expressed graphically as a:
a. positively sloped line or curve.
b. negatively sloped line or curve.
c. horizontal line.
d. vertical line.
ANSWER: a
7. If the amount of lemonade purchased and the outdoor temperature are directly related, then:
a. when temperature rises, the amount of lemonade purchased rises.
b. a graph with this relationship would be negatively sloped.
c. sellers of lemonade hope for cooler temperatures.
d. the slope of the line reflecting this relationship will be 0.
ANSWER: a
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, ACCESS Test Bank for Economics for Today 11th Edition Tucker
Name: Class: Date:
Chapter 01A - Applying Graphs to Economics
8. Distinguish a direct and an inverse relationship. Provide an example of each type of relationship.
ANSWER: A direct relationship between two variables means an increase in the value of the independent variable will
cause an increase in the value of the dependent variable; and vice versa. An example would be the
relationship between the selling price of a good and the amount of the good put up for sale by producers. An
inverse relationship between two variables means an increase in the value of the independent variable will
cause a decrease in the value of the dependent variable; and vice versa. An example would be the
relationship between the price of a good and the amount purchased.
9. Graphically express a direct and an inverse or negative relationship. What could cause a shift in a line or curve
expressing a relationship between two variables?
ANSWER: A direct relationship will slope upward; it will have a positive slope. An inverse relationship will slope
downward; it will have a negative slope. A change in some relevant variable other than those listed on the
vertical or horizontal axis must change in order to shift a line or curve expressing a relationship between two
variables.
10. A direct relationship exists when:
a. there is no association between two variables.
b. one variable increases and there is no change in the other variable.
c. one variable increases and the other variable increases.
d. one variable increases and the other variable decreases.
ANSWER: c
11. Suppose two variables are inversely related. If one variable rises, then the other variable:
a. also rises.
b. falls.
c. remains unchanged.
d. reacts unpredictably.
ANSWER: b
12. If the amount of time spent procrastinating and the performance on an exam are inversely related, then
a. more procrastination leads to lower exam grades.
b. more procrastination leads to higher exam grades.
c. a graph with this relationship would be positively sloped.
d. the slope of the line reflecting this relationship will be 0.
ANSWER: a
13. An inverse relationship exists when:
a. there is no association between two variables.
b. one variable increases and there is no change in the other variable.
c. one variable increases and the other variable increases.
d. one variable increases and the other variable decreases.
ANSWER: d
14. Which of the following pairs is the most likely to exhibit an inverse relationship?
a. The amount of time you study and your grade point average.
b. People's annual income and their expenditure on personal computers.
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Name: Class: Date:
Chapter 01A - Applying Graphs to Economics
1. An upward-sloping line or curve is used to illustrate:
a. a direct relationship.
b. an inverse relationship.
c. two unrelated variables.
d. the ceteris paribus assumption.
ANSWER: a
2. Suppose two variables are directly related. If one variable rises, then the other variable:
a. also rises.
b. falls.
c. remains unchanged.
d. reacts unpredictably.
ANSWER: a
3. Which of the following pairs is the most likely to exhibit a direct relationship?
a. The price of gasoline and the amount of gasoline that people purchase.
b. Annual income and new vehicle purchases.
c. Outdoor temperature and heating oil sales.
d. Washing machine purchases and trips to the laundromat.
ANSWER: b
Exhibit 1A-1 Straight line
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, ACCESS Test Bank for Economics for Today 11th Edition Tucker
Name: Class: Date:
Chapter 01A - Applying Graphs to Economics
4. In Exhibit 1A-1, as X increases along the horizontal axis, from point A to point B on the line, the Y values:
a. increase so the relationship between X and Y is direct.
b. decrease so the relationship between X and Y is inverse.
c. remain unchanged so the relationship between X and Y is independent.
d. change so the relationship between X and Y is variable.
ANSWER: a
Exhibit 1A-7 Straight line relationship
5. According to Exhibit 1A-7, the relationship between annual income and air-travel expenditures is:
a. direct.
b. inverse.
c. complex.
d. independent.
ANSWER: a
6. A direct relationship is expressed graphically as a:
a. positively sloped line or curve.
b. negatively sloped line or curve.
c. horizontal line.
d. vertical line.
ANSWER: a
7. If the amount of lemonade purchased and the outdoor temperature are directly related, then:
a. when temperature rises, the amount of lemonade purchased rises.
b. a graph with this relationship would be negatively sloped.
c. sellers of lemonade hope for cooler temperatures.
d. the slope of the line reflecting this relationship will be 0.
ANSWER: a
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, ACCESS Test Bank for Economics for Today 11th Edition Tucker
Name: Class: Date:
Chapter 01A - Applying Graphs to Economics
8. Distinguish a direct and an inverse relationship. Provide an example of each type of relationship.
ANSWER: A direct relationship between two variables means an increase in the value of the independent variable will
cause an increase in the value of the dependent variable; and vice versa. An example would be the
relationship between the selling price of a good and the amount of the good put up for sale by producers. An
inverse relationship between two variables means an increase in the value of the independent variable will
cause a decrease in the value of the dependent variable; and vice versa. An example would be the
relationship between the price of a good and the amount purchased.
9. Graphically express a direct and an inverse or negative relationship. What could cause a shift in a line or curve
expressing a relationship between two variables?
ANSWER: A direct relationship will slope upward; it will have a positive slope. An inverse relationship will slope
downward; it will have a negative slope. A change in some relevant variable other than those listed on the
vertical or horizontal axis must change in order to shift a line or curve expressing a relationship between two
variables.
10. A direct relationship exists when:
a. there is no association between two variables.
b. one variable increases and there is no change in the other variable.
c. one variable increases and the other variable increases.
d. one variable increases and the other variable decreases.
ANSWER: c
11. Suppose two variables are inversely related. If one variable rises, then the other variable:
a. also rises.
b. falls.
c. remains unchanged.
d. reacts unpredictably.
ANSWER: b
12. If the amount of time spent procrastinating and the performance on an exam are inversely related, then
a. more procrastination leads to lower exam grades.
b. more procrastination leads to higher exam grades.
c. a graph with this relationship would be positively sloped.
d. the slope of the line reflecting this relationship will be 0.
ANSWER: a
13. An inverse relationship exists when:
a. there is no association between two variables.
b. one variable increases and there is no change in the other variable.
c. one variable increases and the other variable increases.
d. one variable increases and the other variable decreases.
ANSWER: d
14. Which of the following pairs is the most likely to exhibit an inverse relationship?
a. The amount of time you study and your grade point average.
b. People's annual income and their expenditure on personal computers.
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