Question 1

Exhibit 1-2  
-In Exhibit 1-2,at y = 10,the

Accepted Answer

A)  value of x is larger on curve A than on curve B 
B)  value of x is smaller on curve A than on curve B 
C)  value of x is the same on curve A as on curve B 
D)  slope of line A is negative 
E)  slope of line B is positive 
A)  value of x is larger on curve A than on curve B 
B)  value of x is smaller on curve A than on curve B 
C)  value of x is the same on curve A as on curve B 
D)  slope of line A is negative 
E)  slope of line B is positive B

Question 2

Exhibit 1-7
  
-Using the values in Exhibit 1-7,calculate the slope of a line graphed with x on the horizontal axis and y on the vertical axis.

Accepted Answer

A)  0.5 
B)  2 
C)  1.5 
D)  100 
E)  the slope cannot be determined without additional information 
A)  0.5 
B)  2 
C)  1.5 
D)  100 
E)  the slope cannot be determined without additional information B

Question 3

If slope = -2 for a line on a graph with x on the horizontal axis and y on the vertical axis,then if

Accepted Answer

A)  x increases by 4,y increases by 8 
B)  x increases by 4,y increases by 2 
C)  y increases by 4,x increases by 8 
D)  x = 4,y = 8 
E)  x increases by 4,y decreases by 8 
A)  x increases by 4,y increases by 8 
B)  x increases by 4,y increases by 2 
C)  y increases by 4,x increases by 8 
D)  x = 4,y = 8 
E)  x increases by 4,y decreases by 8 E

Question 4

A curved line may have a positive slope or a negative slope,but it cannot have both positive and negative areas of slope.

Accepted Answer

A) True 
 B)False

Question 5

One economic application of the slope of a line is

Accepted Answer

A)  measuring unlimited wants 
B)  behavioral analysis 
C)  marginal analysis 
D)  allocative efficiency 
E)  rational self-interest 
A)  measuring unlimited wants 
B)  behavioral analysis 
C)  marginal analysis 
D)  allocative efficiency 
E)  rational self-interest

Question 6

-Point a in Exhibit 1-1 represents

Accepted Answer

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 
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

Question 7

Exhibit 1-10  
-The slope of the line in Exhibit 1-10 is

Accepted Answer

A)  positive and constant 
B)  positive and increasing 
C)  positive and decreasing 
D)  negative and increasing 
E)  negative and decreasing 
A)  positive and constant 
B)  positive and increasing 
C)  positive and decreasing 
D)  negative and increasing 
E)  negative and decreasing

Question 8

Exhibit 1-2  
-In Exhibit 1-2,curve A has a __________ slope that is __________ at every point.

Accepted Answer

A)  positive; constant 
B)  positive; changing 
C)  negative; constant 
D)  negative; changing 
E)  changing; constant 
A)  positive; constant 
B)  positive; changing 
C)  negative; constant 
D)  negative; changing 
E)  changing; constant

Question 9

The slope of a line is defined as the

Accepted Answer

A)  change in the value of the variable on the vertical axis divided by the change in the value of the variable on the horizontal axis 
B)  value of the variable on the horizontal axis divided by the value of the intercept on the vertical axis 
C)  change in the value of the variable on the horizontal axis divided by the increase in the value of the variable on the vertical axis 
D)  value of the variable on the vertical axis divided by the value of the variable on the horizontal axis 
E)  change in the value of the variable on the vertical axis times the increase in the value of the variable on the horizontal axis 
A)  change in the value of the variable on the vertical axis divided by the change in the value of the variable on the horizontal axis 
B)  value of the variable on the horizontal axis divided by the value of the intercept on the vertical axis 
C)  change in the value of the variable on the horizontal axis divided by the increase in the value of the variable on the vertical axis 
D)  value of the variable on the vertical axis divided by the value of the variable on the horizontal axis 
E)  change in the value of the variable on the vertical axis times the increase in the value of the variable on the horizontal axis

Question 10

Exhibit 1-3  
-In Exhibit 1-3,for any value of x,the

Accepted Answer

A)  value of y is larger on curve A than on curve B 
B)  value of y is smaller on curve A than on curve B 
C)  value of y is the same on curve A as on curve B 
D)  slope of line A is increasing 
E)  slope of line B is negative 
A)  value of y is larger on curve A than on curve B 
B)  value of y is smaller on curve A than on curve B 
C)  value of y is the same on curve A as on curve B 
D)  slope of line A is increasing 
E)  slope of line B is negative

Question 11

Any point on a graph represents a combination of particular values of two variables.

Accepted Answer

A) True 
 B)False

Question 12

-If x causes y,then

Accepted Answer

A)  x and y are inversely related 
B)  y is a dependent variable 
C)  other variables don't matter 
D)  y must,in turn,cause x 
E)  x and y are always in a direct relation to each other 
A)  x and y are inversely related 
B)  y is a dependent variable 
C)  other variables don't matter 
D)  y must,in turn,cause x 
E)  x and y are always in a direct relation to each other

Question 13

Exhibit 1-2  
-In Exhibit 1-2,curve B has a __________ slope that is __________ at every point.

Accepted Answer

A)  positive; constant 
B)  positive; changing 
C)  negative; constant 
D)  negative; changing 
E)  changing; constant 
A)  positive; constant 
B)  positive; changing 
C)  negative; constant 
D)  negative; changing 
E)  changing; constant

Question 14

The slope of a steep upward-sloping line is a smaller value than the slope of a nearly flat upward-sloping line.

Accepted Answer

A) True 
 B)False

Question 15

The slope of a U-shaped curve is infinity at the bottom of the U.

Accepted Answer

A) True 
 B)False

Question 16

Exhibit 1-6  
-The slope of the line in Exhibit 1-6 is

Accepted Answer

A)  0.1 
B)  1 
C)  10 
D)  -0.1 
E)  -10 
A)  0.1 
B)  1 
C)  10 
D)  -0.1 
E)  -10

Question 17

Exhibit 1-4  
-Which of the following must be true of line D in Exhibit 1-4?

Accepted Answer

A)  A decrease in P is associated with a decrease in Q. 
B)  An increase in P is associated with an increase in Q. 
C)  There is no relation between P and Q. 
D)  There is an inverse relationship between P and Q. 
E)  There is a direct relationship between P and Q. 
A)  A decrease in P is associated with a decrease in Q. 
B)  An increase in P is associated with an increase in Q. 
C)  There is no relation between P and Q. 
D)  There is an inverse relationship between P and Q. 
E)  There is a direct relationship between P and Q.

Question 18

The slope of an inverted U-shaped curve is infinity at the top of the curve.

Accepted Answer

A) True 
 B)False

Question 19

Exhibit 1-12  
-Using Exhibit 1-12,calculate the slope of the curve where x equals 50.

Accepted Answer

A)  0 
B)  1 
C)  infinite 
D)  -1 
E)  the slope cannot be determined because there is no tangent line 
A)  0 
B)  1 
C)  infinite 
D)  -1 
E)  the slope cannot be determined because there is no tangent line

Question 20

-On a graph with x on the horizontal axis and y on the vertical axis,the origin is

Accepted Answer

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 
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

Exam 21: Understanding Graphs

Exhibit 1-2 -In Exhibit 1-2,at y = 10,the

Exhibit 1-7 -Using the values in Exhibit 1-7,calculate the slope of a line graphed with x on the horizontal axis and y on the vertical axis.

If slope = -2 for a line on a graph with x on the horizontal axis and y on the vertical axis,then if

A curved line may have a positive slope or a negative slope,but it cannot have both positive and negative areas of slope.

One economic application of the slope of a line is

-Point a in Exhibit 1-1 represents

Exhibit 1-10 -The slope of the line in Exhibit 1-10 is

Exhibit 1-2 -In Exhibit 1-2,curve A has a __________ slope that is __________ at every point.

The slope of a line is defined as the

Exhibit 1-3 -In Exhibit 1-3,for any value of x,the

Any point on a graph represents a combination of particular values of two variables.

-If x causes y,then

Exhibit 1-2 -In Exhibit 1-2,curve B has a __________ slope that is __________ at every point.

The slope of a steep upward-sloping line is a smaller value than the slope of a nearly flat upward-sloping line.

The slope of a U-shaped curve is infinity at the bottom of the U.

Exhibit 1-6 -The slope of the line in Exhibit 1-6 is

Exhibit 1-4 -Which of the following must be true of line D in Exhibit 1-4?

The slope of an inverted U-shaped curve is infinity at the top of the curve.

Exhibit 1-12 -Using Exhibit 1-12,calculate the slope of the curve where x equals 50.

-On a graph with x on the horizontal axis and y on the vertical axis,the origin is

The Art and Science of Economic Analysis

Economic Tools and Economics Systems

Economic Decision Makers

Demand, Supply, and Markets

Introduction to Macroeconomics

Productivity and Growth

Tracking the US Economy

Unemployment and Inflation

Aggregate Expenditure

Aggregate Expenditure and Aggregate Demand

Aggregate Supply

Fiscal Policy

Federal Budgets and Public Policy

Money and the Financial System

Banking and the Money Supply

Monetary Theory and Policy

Macro Policy Debate: Active or Passive

International Trade

International Finance

Developing and Transitional Economies

National Income Accounts

Variable Net Exports

Variable Net Exports Revisited

The Algebra of Income and Expenditure

The Algebra of Demand-Side Equilibrium

Filters

Exhibit 1-2 -In Exhibit 1-2,curve A has a slope that is at every point.

Exhibit 1-2 -In Exhibit 1-2,curve B has a slope that is at every point.