Question 1

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 2

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

Question 3

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

Question 4

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

Question 5

Exhibit 1-16
          
-Refer to Exhibit 1-16. Which graph illustrates a positive relationship between variable X and variable Y initially but then a negative relationship?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e 
A) a 
B) b 
C) c 
D) d 
E) e

Question 6

Exhibit 1-16
          
-Refer to exhibit 1-16. Which of the graphs illustrates no relationship between variable X and variable Y?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e 
A) a 
B) b 
C) c 
D) d 
E) e

Question 7

Exhibit 1-1
 
-Point b in Exhibit 1-1 represents

Accepted Answer

A) x = 30, y = 60 
B) x = 60, y = 30 
C) x + y = 60 
D) x + y = 30 
E) b = 90 
A) x = 30, y = 60 
B) x = 60, y = 30 
C) x + y = 60 
D) x + y = 30 
E) b = 90

Question 8

Exhibit 1-4
  
-According to the curve in Exhibit 1-4,

Accepted Answer

A) if P = $8, then Q = 8 
B) if P = $10, then Q = 10 
C) Q increases as P increases 
D) Q decreases as P decreases 
E) there is a positive relation between Q and P 
A) if P = $8, then Q = 8 
B) if P = $10, then Q = 10 
C) Q increases as P increases 
D) Q decreases as P decreases 
E) there is a positive relation between Q and P

Question 9

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 10

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 11

Exhibit 1-2
  
-In Exhibit 1-2, at x = 8, 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 negative 
E) slope of line B is positive 
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 negative 
E) slope of line B is positive

Question 12

The slope of a vertical line is

Accepted Answer

A) infinitely large 
B) zero 
C) positive 
D) negative 
E) infinitely small 
A) infinitely large 
B) zero 
C) positive 
D) negative 
E) infinitely small

Question 13

A functional relationship exists between two variables if the value of one variable depends on the value of the other variable.

Accepted Answer

A) True 
 B)False

Question 14

Exhibit 1-6
  
-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 15

Ron weighs 150 pounds. A graph relating Ron's weight on the vertical axis to Nancy's consumption of ice cream on the horizontal axis would be

Accepted Answer

A) a horizontal line at weight = 150 
B) a horizontal line at weight = 0 
C) a positively sloped line with decreasing slope 
D) a vertical line at weight = 150 
E) the origin 
A) a horizontal line at weight = 150 
B) a horizontal line at weight = 0 
C) a positively sloped line with decreasing slope 
D) a vertical line at weight = 150 
E) the origin

Question 16

Exhibit 1-14
  
-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 17

A graph is a

Accepted Answer

A) lengthy, inefficient, and inconvenient way to illustrate information 
B) diagram illustrating a relationship between variables 
C) method of proving causation 
D) tool for incorporating all major and minor variables in one illustration 
E) clear way to see how the fallacy of composition works 
A) lengthy, inefficient, and inconvenient way to illustrate information 
B) diagram illustrating a relationship between variables 
C) method of proving causation 
D) tool for incorporating all major and minor variables in one illustration 
E) clear way to see how the fallacy of composition works

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

The statement that there is a direct relation between x and y means that

Accepted Answer

A) x and y move in the same direction 
B) x causes y 
C) y causes x 
D) either y causes x or x causes y 
E) the causal connection between x and y is immediate 
A) x and y move in the same direction 
B) x causes y 
C) y causes x 
D) either y causes x or x causes y 
E) the causal connection between x and y is immediate

Exam 2: Understanding Graphs-Appendix

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

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

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

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

Exhibit 1-16 -Refer to Exhibit 1-16. Which graph illustrates a positive relationship between variable X and variable Y initially but then a negative relationship?

Exhibit 1-16 -Refer to exhibit 1-16. Which of the graphs illustrates no relationship between variable X and variable Y?

Exhibit 1-1 -Point b in Exhibit 1-1 represents

Exhibit 1-4 -According to the curve in Exhibit 1-4,

If x causes y, then

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

Exhibit 1-2 -In Exhibit 1-2, at x = 8, the

The slope of a vertical line is

A functional relationship exists between two variables if the value of one variable depends on the value of the other variable.

Exhibit 1-6 -The slope of a line is defined as the

Ron weighs 150 pounds. A graph relating Ron's weight on the vertical axis to Nancy's consumption of ice cream on the horizontal axis would be

Exhibit 1-14 -Using Exhibit 1-12, calculate the slope of the curve where x equals 50.

A graph is a

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

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

The statement that there is a direct relation between x and y means that

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