Question 1

Exhibit 1-1 
-In Exhibit 1-1,point c represents

Accepted Answer

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

Question 2

Exhibit 1-12 
-The slope of the line in Exhibit 1-12 is

Accepted Answer

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

Question 3

Exhibit 1-8 
-The slope of a horizontal line is

Accepted Answer

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

Question 4

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

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

Question 6

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 7

Exhibit 1-2 
-In Exhibit 1-2,at x = 10,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

Question 8

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 9

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

Question 10

Exhibit 1-2 
-In Exhibit 1-2,at x = 12,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

Question 11

On a graph,the origin represents

Accepted Answer

A) the dependent variable 
B) the variable that is the primary source of causation 
C) a caption or explanatory description of the symbols,colors,and measurements used on the graph 
D) the point at which the values of both variables are zero 
E) ancestry

Question 12

Exhibit 1-2 
-In Exhibit 1-2,when x is greater than 10,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

Question 13

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

Accepted Answer

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

Question 14

Exhibit 1-16     
-Refer to exhibit 1-16.Which of the graphs illustrates a direct or positive relationship between variable X and variable Y?

Accepted Answer

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

Question 15

Exhibit 1-7 
-The slope of the straight line in Exhibit 1-7 is

Accepted Answer

A) greater at point a than at point b 
B) the same at points a and b 
C) zero because the line is straight 
D) negative because an inverse relation is shown 
E) positive because the line lies to the right of the y-axis

Question 16

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

Question 17

The slope of a vertical straight line is infinity.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Exhibit 1-4 
-According to the curve in Exhibit 1-4,if P increases from $10 to $14,Q

Accepted Answer

A) stays the same 
B) Q increases from 6 to 8 
C) Q increases from 6 to 10 
D) Q decreases from 6 to 2 
E) Q decreases from 6 to 0

Question 20

Exhibit 1-11 
-In Exhibit 1-11,the slope of the line is

Accepted Answer

A) negative for all values of x 
B) positive for all values of x 
C) never zero 
D) first negative,then positive as x increases 
E) first rising,then falling as x increases

Exam 22: understanding Graphs

Exhibit 1-1 -In Exhibit 1-1,point c represents

Exhibit 1-12 -The slope of the line in Exhibit 1-12 is

Exhibit 1-8 -The slope of a horizontal line is

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

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?

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

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

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

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

Exhibit 1-2 -In Exhibit 1-2,at x = 12,the

On a graph,the origin represents

Exhibit 1-2 -In Exhibit 1-2,when x is greater than 10,the

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

Exhibit 1-16 -Refer to exhibit 1-16.Which of the graphs illustrates a direct or positive relationship between variable X and variable Y?

Exhibit 1-7 -The slope of the straight line in Exhibit 1-7 is

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

The slope of a vertical straight line is infinity.

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

Exhibit 1-4 -According to the curve in Exhibit 1-4,if P increases from $10 to $14,Q

Exhibit 1-11 -In Exhibit 1-11,the slope of the line is