Question 1

Choose the correct set of points that prepares the graph of the equation $$y = - x ^ { 2 }$$ .

Accepted Answer

A)  $( 0,0 ) , ( 1,4 ) , ( 2,8 ) , ( - 1,4 ) , ( - 2,8 )$ 
B)  $( 0,0 ) , ( 1,1 ) , ( - 1,1 ) , ( 2,4 ) , ( - 2,4 )$ 
C)  $( 0,0 ) , ( 1 , - 1 ) , ( - 1,1 ) , ( 2 , - 4 ) , ( - 2,4 )$ 
D)  $( 0,0 ) , ( 1 , - 1 ) , ( - 1 , - 1 ) , ( 2 , - 4 ) , ( - 2 , - 4 )$ 
E)  $( 0,0 ) , ( 1,1 ) , ( - 1 , - 1 ) , ( 2,4 ) , ( - 2 , - 4 )$ 
A)  $( 0,0 ) , ( 1,4 ) , ( 2,8 ) , ( - 1,4 ) , ( - 2,8 )$ 
B)  $( 0,0 ) , ( 1,1 ) , ( - 1,1 ) , ( 2,4 ) , ( - 2,4 )$ 
C)  $( 0,0 ) , ( 1 , - 1 ) , ( - 1,1 ) , ( 2 , - 4 ) , ( - 2,4 )$ 
D)  $( 0,0 ) , ( 1 , - 1 ) , ( - 1 , - 1 ) , ( 2 , - 4 ) , ( - 2 , - 4 )$ 
E)  $( 0,0 ) , ( 1,1 ) , ( - 1 , - 1 ) , ( 2,4 ) , ( - 2 , - 4 )$

Question 2

Suppose a class obtained the following scores on a test. $\text { cellpadding }=" 0 \text { " cellspacing }=" 0 " \text { width }=" 34 \% \text { " border="0"> }$

$\begin{array}{ll}
\text { Score } & \text { Frequency } \
90 & 1 \
80 & 5 \
70 & 6 \
60 & 8 \
50 & 1 \
40 & 2 \
30 & 1 \
0 & 1
\end{array}$ What are the mean, median, and mode? Round each answer to two decimal places as needed.

Accepted Answer

A)  Mean: 52.5 Median: 70
Mode: 60 
B)  Mean: 52.5 Median: 70
Mode: 70 
C)  Mean: 62 Median: 60
Mode: 60 
D)  Mean: 62 Median: 70
Mode: 70 
E)  Mean: 52.5 Median: 60
Mode: 70 
A)  Mean: 52.5 Median: 70
Mode: 60 
B)  Mean: 52.5 Median: 70
Mode: 70 
C)  Mean: 62 Median: 60
Mode: 60 
D)  Mean: 62 Median: 70
Mode: 70 
E)  Mean: 52.5 Median: 60
Mode: 70

Question 3

The cost $y$ in dollars, for renting a car from a leasing firm is given by $y = 0.6 x + 45$ where $x$ is the distance driven, in miles. Graph this equation.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 4

Suppose that the annual rainfall in Ferndale, California, is known to be normally distributed, with a mean of 32 inches and a standard deviation of 2 inches. About 2.3% of the time, the annual rainfall will exceed how many inches? 
__________ inches

Accepted Answer

The answer of Suppose that the annual rainfall in Ferndale,...

Question 5

Find the three measures of central tendency. $16,14,12,7,1,8,12$ If there are multiple answers, separate them with a comma. If there is no answer, enter none. If necessary, round each answer to two decimal places. mean: __________ median: __________ mode: __________

Accepted Answer

The answer of Find the three measures of central tendency....

Question 6

The top 18 American Kennel Club 2000 registrations are given. $\text { cellpadding }=" 0 " \text { cellspacing }=" 0 " \text { width }=" 96 \% " \text { border="0"> }$
$\begin{array}{lcll}
\text { Breed } & \text { Number } & \text { Breed } & \text { Number } \
\text { Labrador Retriever } 172,841 & \text { Shih Tzu } & 37,599 \
\text { Golden Retriever } & 66,300 & \text { Rottweiler } & 37,355 \
\text { German Shepherd } & 57,660 & \text { Pomeranian } & 33,568 \
\text { Dachshund } & 52,026 & \text { Mini Schnauzer } 30,472 \
\text { Beagle } & 52,026 & \text { Cocker Spaniel } 29,393 \
\text { Poodle } & 45,868 & \text { Pug } & 24,373 \
\text { Yorkshire Terrier } & 43,574 & \text { Shet Sheepdog } 23,866 \
\text { Chihuahua } & 43,096 & \text { Mini Pinscher } & 22,020 \
\text { Boxer } & 38,803 & \text { Boston Terrier } & 19,922
\end{array}$
 What is the rank of the Shet Sheepdog?

Accepted Answer

A)  The Shet Sheepdog is 1st. 
B)  The Shet Sheepdog is 13th. 
C)  The Shet Sheepdog is 9th. 
D)  The Shet Sheepdog is 17th. 
E)  The Shet Sheepdog is 16th. 
A)  The Shet Sheepdog is 1st. 
B)  The Shet Sheepdog is 13th. 
C)  The Shet Sheepdog is 9th. 
D)  The Shet Sheepdog is 17th. 
E)  The Shet Sheepdog is 16th.

Question 7

Let $A$ be the set of the following cities: $A = \{ \text { Arm, } M I \text {; Bone, } I D ; \text { Cheek, TX; Doublehead, } A L ; \text { Flbow Lake, } M N \}$ Suppose that these cities are connected by direct airplane service as shown in the figure below.   Write a set of ordered pairs that show the direct connections between two cities. For example, $( A , E )$ means a direct connection from Arm to Elbow. Identify the correct set of these ordered pairs, and answer whether this set is a function? (Use $A$ to denote $\text { Arm }$ $B$ to denote $\text { Bone, }$ and so on.)

Accepted Answer

A)  $\{ ( A , E ) , ( B , C ) , ( B , E ) , ( C , E ) , ( D , E ) , ( E , A ) \}$ not a function 
B)  $\{ ( A , E ) , ( B , E ) , ( B , C ) , ( C , E ) , ( C , B ) , ( D , E ) , ( E , A ) \}$ not a function 
C)  $\{ ( A , E ) , ( B , C ) , ( C , E ) , ( D , E ) , ( E , A ) \}$ a function 
D)  $\{ ( A , E ) , ( B , E ) , ( B , C ) , ( C , E ) , ( C , B ) , ( D , E ) , ( E , A ) , ( E , D ) , ( E , C ) , ( E , B ) \}$ not a function 
E)  $\{ ( A , E ) , ( B , C ) , ( C , E ) , ( D , E ) , ( E , A ) , ( C , D ) \}$ not a function 
A)  $\{ ( A , E ) , ( B , C ) , ( B , E ) , ( C , E ) , ( D , E ) , ( E , A ) \}$ not a function 
B)  $\{ ( A , E ) , ( B , E ) , ( B , C ) , ( C , E ) , ( C , B ) , ( D , E ) , ( E , A ) \}$ not a function 
C)  $\{ ( A , E ) , ( B , C ) , ( C , E ) , ( D , E ) , ( E , A ) \}$ a function 
D)  $\{ ( A , E ) , ( B , E ) , ( B , C ) , ( C , E ) , ( C , B ) , ( D , E ) , ( E , A ) , ( E , D ) , ( E , C ) , ( E , B ) \}$ not a function 
E)  $\{ ( A , E ) , ( B , C ) , ( C , E ) , ( D , E ) , ( E , A ) , ( C , D ) \}$ not a function

Question 8

The point $( - 5,1 )$ satisfies the equation $- 5 x + y = 25$ .

Accepted Answer

A) True 
 B)False

Question 9

Consider the following test scores obtained by a class: $\text { cellpadding }=" 0 " \text { cellspacing }=" 0 " \text { width }=52 \% " \text { border }=" 0 ">$

$$\begin{array} { l l } 
\text { Test Score } & \text { Frequency } \
90 & 1 \
80 & 3 \
70 & 8 \
60 & 7 \
50 & 2
\end{array}$$ Now, use this information to label the box and whisker plot below, which is arranged low to high along the axis.

Accepted Answer

A)  $A = 1 , B = 3 , C = 8 \text {, }$ $D = 7 , E = 2$ 
B)  $A = 90 , B = 70 , C = 70$ $D = 60 , E = 50$ 
C)  $A = 50 , B = 60 , C = 70$ $D = 70 , E = 90$ 
D)  $A = 50 , B = 60 , C = 70$ $D = 65 , E = 90$ 
E)  $A = 50 , B = 70 , C = 70$ $D = 70 , E = 90$ 
A)  $A = 1 , B = 3 , C = 8 \text {, }$ $D = 7 , E = 2$ 
B)  $A = 90 , B = 70 , C = 70$ $D = 60 , E = 50$ 
C)  $A = 50 , B = 60 , C = 70$ $D = 70 , E = 90$ 
D)  $A = 50 , B = 60 , C = 70$ $D = 65 , E = 90$ 
E)  $A = 50 , B = 70 , C = 70$ $D = 70 , E = 90$

Question 10

Finish finding the points to prepare the graph of the equation $y = 2 x ^ { 2 } + 1$ . $( 1 , \ldots ) , ( 2 , \ldots ) , ( 0 , \ldots ) , ( - 1 , \ldots ) , ( - 2 , \ldots )$

Accepted Answer

The answer of Finish finding the points to prepare the...

Question 11

Graph the equation $y = 2 ^ { x }$ for nonnegative x values.

Accepted Answer

The answer of Graph the equation \(y = 2 ^...

Question 12

Plot five points, each of which has $2$ as the first component. Connect the plotted points. Which graph could be a correct graph?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 13

The standard deviation cannot be the number zero.

Accepted Answer

A) True 
 B)False

Question 14

Graph the first-degree inequality in two unknowns. Pick the correct graph. $7 x \leq 9 y$

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 15

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 4. What is the variance for this experiment of measuring the height of a person?

Accepted Answer

A)  8 
B)  6 
C)  30 
D)  16 
E)  50 
A)  8 
B)  6 
C)  30 
D)  16 
E)  50

Question 16

Is $( - 2,0 )$ a solution to the inequality $$y > - 2 x - 2$$ ? Use the given graph of the inequality to answer the question.

Accepted Answer

The answer of Is $( - 2,0 )$ a solution...

Question 17

Solve the system by graphing. $$\left\{ \begin{array} { l } 
3 x - y = - 3 \
3 x + y = 9
\end{array} \right.$$   Enter your answer as an ordered pair, $( x , y )$ .

Accepted Answer

The answer of Solve the system by graphing. \[\left\{ \begin{array}...

Question 18

In which quadrant is the x coordinate positive and the y coordinate negative?

Accepted Answer

The answer of In which quadrant is the x coordinate...

Question 19

Sketch the graph of the equation. $$y = \frac { 1 } { 4 } x ^ { 2 }$$

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 20

Find three ordered pairs that satisfy the equation. $$2 y + 3 x = 6$$ ( 0 , _____ ) , ( 2 , _____ ) , ( 2 , _____ )

Accepted Answer

The answer of Find three ordered pairs that satisfy the...

Choose the correct set of points that prepares the graph of the equation $y = - x ^ { 2 }$ .

The cost $y$ in dollars, for renting a car from a leasing firm is given by $y = 0.6 x + 45$ where $x$ is the distance driven, in miles. Graph this equation.

Suppose that the annual rainfall in Ferndale, California, is known to be normally distributed, with a mean of 32 inches and a standard deviation of 2 inches. About 2.3% of the time, the annual rainfall will exceed how many inches? __________ inches

Find the three measures of central tendency. $16,14,12,7,1,8,12$ If there are multiple answers, separate them with a comma. If there is no answer, enter none. If necessary, round each answer to two decimal places. mean: median: mode: __

The point $( - 5,1 )$ satisfies the equation $- 5 x + y = 25$ .

Finish finding the points to prepare the graph of the equation $y = 2 x ^ { 2 } + 1$ . $( 1 , \ldots ) , ( 2 , \ldots ) , ( 0 , \ldots ) , ( - 1 , \ldots ) , ( - 2 , \ldots )$

Graph the equation $y = 2 ^ { x }$ for nonnegative x values. $Graph the equation y = 2 ^ { x } for nonnegative x values.$

Plot five points, each of which has $2$ as the first component. Connect the plotted points. Which graph could be a correct graph?

The standard deviation cannot be the number zero.

Graph the first-degree inequality in two unknowns. Pick the correct graph. $7 x \leq 9 y$

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 4. What is the variance for this experiment of measuring the height of a person?

Is $( - 2,0 )$ a solution to the inequality $y > - 2 x - 2$ ? Use the given graph of the inequality to answer the question.

In which quadrant is the x coordinate positive and the y coordinate negative?

Sketch the graph of the equation. $y = \frac { 1 } { 4 } x ^ { 2 }$

Find three ordered pairs that satisfy the equation. $2 y + 3 x = 6$ ( 0 , ___ ) , ( 2 , _ ) , ( 2 , ___ )

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Exam 11: Graphs

Choose the correct set of points that prepares the graph of the equation y=−x2y = - x ^ { 2 }y=−x2 .

The cost yyy in dollars, for renting a car from a leasing firm is given by y=0.6x+45y = 0.6 x + 45y=0.6x+45 where xxx is the distance driven, in miles. Graph this equation.

Suppose that the annual rainfall in Ferndale, California, is known to be normally distributed, with a mean of 32 inches and a standard deviation of 2 inches. About 2.3% of the time, the annual rainfall will exceed how many inches? __________ inches

Find the three measures of central tendency. 16,14,12,7,1,8,1216,14,12,7,1,8,1216,14,12,7,1,8,12 If there are multiple answers, separate them with a comma. If there is no answer, enter none. If necessary, round each answer to two decimal places. mean: __________ median: __________ mode: __________

The point (−5,1)( - 5,1 )(−5,1) satisfies the equation −5x+y=25- 5 x + y = 25−5x+y=25 .

Finish finding the points to prepare the graph of the equation y=2x2+1y = 2 x ^ { 2 } + 1y=2x2+1 . (1,…),(2,…),(0,…),(−1,…),(−2,…)( 1 , \ldots ) , ( 2 , \ldots ) , ( 0 , \ldots ) , ( - 1 , \ldots ) , ( - 2 , \ldots )(1,…),(2,…),(0,…),(−1,…),(−2,…)

Graph the equation y=2xy = 2 ^ { x }y=2x for nonnegative x values.

Plot five points, each of which has 222 as the first component. Connect the plotted points. Which graph could be a correct graph?

The standard deviation cannot be the number zero.

Graph the first-degree inequality in two unknowns. Pick the correct graph. 7x≤9y7 x \leq 9 y7x≤9y

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 4. What is the variance for this experiment of measuring the height of a person?

Is (−2,0)( - 2,0 )(−2,0) a solution to the inequality y>−2x−2y > - 2 x - 2y>−2x−2 ? Use the given graph of the inequality to answer the question.

Solve the system by graphing. {3x−y=−33x+y=9\left\{ \begin{array} { l } 3 x - y = - 3 \\3 x + y = 9\end{array} \right.{3x−y=−33x+y=9​ Enter your answer as an ordered pair, (x,y)( x , y )(x,y) .

In which quadrant is the x coordinate positive and the y coordinate negative?

Sketch the graph of the equation. y=14x2y = \frac { 1 } { 4 } x ^ { 2 }y=41​x2

Find three ordered pairs that satisfy the equation. 2y+3x=62 y + 3 x = 62y+3x=6 ( 0 , _____ ) , ( 2 , _____ ) , ( 2 , _____ )

Arithmetic, Calculators, and Problem Solving

Sets of Numbers

Introduction to Algebra

Percents and Problem Solving

Introduction to Geometry

Measurement and Problem Solving

Applications of Percent

Sets and Logic

Probability

Statistics

Filters

Choose the correct set of points that prepares the graph of the equation $y = - x ^ { 2 }$ .

The cost $y$ in dollars, for renting a car from a leasing firm is given by $y = 0.6 x + 45$ where $x$ is the distance driven, in miles. Graph this equation.

Find the three measures of central tendency. $16,14,12,7,1,8,12$ If there are multiple answers, separate them with a comma. If there is no answer, enter none. If necessary, round each answer to two decimal places. mean: median: mode: __

The point $( - 5,1 )$ satisfies the equation $- 5 x + y = 25$ .

Finish finding the points to prepare the graph of the equation $y = 2 x ^ { 2 } + 1$ . $( 1 , \ldots ) , ( 2 , \ldots ) , ( 0 , \ldots ) , ( - 1 , \ldots ) , ( - 2 , \ldots )$

Graph the equation $y = 2 ^ { x }$ for nonnegative x values. $Graph the equation y = 2 ^ { x } for nonnegative x values.$

Plot five points, each of which has $2$ as the first component. Connect the plotted points. Which graph could be a correct graph?

Graph the first-degree inequality in two unknowns. Pick the correct graph. $7 x \leq 9 y$

Is $( - 2,0 )$ a solution to the inequality $y > - 2 x - 2$ ? Use the given graph of the inequality to answer the question.

Sketch the graph of the equation. $y = \frac { 1 } { 4 } x ^ { 2 }$

Find three ordered pairs that satisfy the equation. $2 y + 3 x = 6$ ( 0 , ___ ) , ( 2 , _ ) , ( 2 , ___ )