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Tussy and Koenig - Introductory Algebra 5/e (Homework)

James Finch

Math - Developmental, section A, Fall 2019

Instructor: Dr. Friendly

Current Score : 38 / 42

Due : Monday, December 30, 2030 23:59 EST

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5 6 7 8 9 10 11 12
1/1 1/2 1/1 3/4 3/3 4/4 1/1 4/5 0/1 9/9 5/5 6/6
Total
38/42 (90.5%)

  • Instructions

    Create your course assignments by selecting questions from our bank of end-of-section exercises.

    Students can view and hear additional instruction through the 2-5 minute Watch It links. Students will also find helpful links to online excerpts from their textbook, tutorials, and videos.

    Every problem includes a link to the appropriate section of a complete interactive eBook, (also available through a dynamic table of contents from the student's WebAssign homepage), allowing students to highlight and take notes as they read.

    New Video Exercises require students to watch a video lesson in order to answer the assigned question.

    This book also includes a Personal Study Plan (PSP). Once PSP is enabled for your course, your students can use chapter and section assessments to gauge their mastery of the material and generate individualized study plans that include various online, interactive multimedia resources. Also included are Responsive Questions (RQ), which personalize the learning experience for your students by asking them to use their own real data, which provides the variables they will use to answer each question part.

    Watch It - videos of worked examples

    Master It - tutorials

    In this assignment we present several textbook question types found in Introductory Algebra 5/e by Alan S. Tussy and Diane Koenig published by Cengage Learning.

    Click here for a list of all of the questions coded in WebAssign. This demo assignment allows many submissions and allows you to try another version of the same question for practice wherever the problem has randomized values.

Assignment Submission

For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer.

Assignment Scoring

Your last submission is used for your score.

1. 1/1 points  |  Previous Answers TGIntroAlgP5 7.1.Obj3.VE.001. My Notes
Question Part
Points
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1
1/1
3/50
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1/1
 
Watch the video below then answer the question.

Simplify Rational Expressions

View Transcript

Simplify the rational expression completely.

(20 a^3 b)/(5 a b^4)

     Correct: Your answer is correct.
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2. 1/2 points  |  Previous Answers TGIntroAlgP5 2.7.025.CMI. My Notes
Question Part
Points
Submissions Used
1 2
0/1 1/1
6/50 2/50
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1/2
 
Solve the inequality. Write the solution set in interval notation. (Simplify your answer completely.)
x + 9 > 10
x> 1
Incorrect: Your answer is incorrect.

Graph the inequality.
Use the tools to enter your answer.
Created with Raphaël 2.1.0-10-8-6-4-20246810
Created with Raphaël 2.1.0

NO SOLUTION

Help
Correct: Your answer is correct.

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3. 1/1 points  |  Previous Answers TGIntroAlgP5 3.1.021. My Notes
Question Part
Points
Submissions Used
1
1/1
1/50
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1/1
 
Plot each point on the grid provided.
(−3, 5), (5, 3.5), 
−1, − 
9
2
, (1, 0)
No Solution
Help
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Clear Graph
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Fill

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Submission Data

Correct: Your answer is correct.
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4. 3/4 points  |  Previous Answers TGIntroAlgP5 3.1.054. My Notes
Question Part
Points
Submissions Used
1 2 3 4
0/1 1/1 1/1 1/1
1/50 1/50 1/50 1/50
Total
3/4
 
The following table gives the number of miles (y) that a truck can be driven on x gallons of gasoline. Plot the ordered pairs and draw a line connecting the points.
x y
2 10
3 15
5 25
No Solution
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1
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Submission Data

Incorrect: Your answer is incorrect.
(a) Estimate how far the truck can go on 7 gallons of gasoline.
Correct: Your answer is correct. mi

(b) How many gallons of gas are needed to travel a distance of 20 miles?
Correct: Your answer is correct. gal

(c) How far can the truck go on 6.5 gallons of gasoline?
Correct: Your answer is correct. mi
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5. 3/3 points  |  Previous Answers TGIntroAlgP5 3.2.030. My Notes
Question Part
Points
Submissions Used
1 2 3
1/1 1/1 1/1
1/50 1/50 1/50
Total
3/3
 
Complete the table.
y = |x − 3|
x y
0 Correct: Your answer is correct.
−10
 		Correct: Your answer is correct.
11 Correct: Your answer is correct.
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6. 4/4 points  |  Previous Answers TGIntroAlgP5 3.2.055. My Notes
Question Part
Points
Submissions Used
1 2 3 4
1/1 1/1 1/1 1/1
1/50 1/50 1/50 1/50
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4/4
 
The following graph shows the relationship between the market value v of a house and the time t since it was purchased.

(a) What was the purchase price of the house?
$ Correct: Your answer is correct.

(b) When did the value of the house reach its lowest point?
Correct: Your answer is correct. years after being bought

(c) When did the value of the house begin to surpass the purchase price?
The value of the house began to surpass the purchase price after Correct: Your answer is correct. years.

(d) Describe how the market value of the house changed over the 8-year period.
     Correct: Your answer is correct.
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7. 1/1 points  |  Previous Answers TGIntroAlgP5 3.3.031. My Notes
Question Part
Points
Submissions Used
1
1/1
1/50
Total
1/1
 
Solve the equation for y.
2x + 
y
2
 = 8
y =
16−4x
Correct: Your answer is correct.
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8. 4/5 points  |  Previous Answers TGIntroAlgP5 3.3.056. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5
1/1 1/1 1/1 1/1 0/1
1/50 1/50 1/50 1/50 1/50
Total
4/5
 
Solve the equation for y, find three solutions of the equation, and then draw its graph.
7y = x + 49
y =
x7​+7
Correct: Your answer is correct.

x y
−7
  		Correct: Your answer is correct.
0   Correct: Your answer is correct.
7   Correct: Your answer is correct.

No Solution
Help
-10
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Clear Graph
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Fill

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Submission Data

Incorrect: Your answer is incorrect.
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9. 0/1 points  |  Previous Answers TGIntroAlgP5 3.4.034.CMI. My Notes
Question Part
Points
Submissions Used
1
0/1
1/50
Total
0/1
 
Find the slope of the line passing through the given point, when possible. (If an answer is undefined, enter UNDEFINED.)
(1, 3) and (2, 5)
Incorrect: Your answer is incorrect.

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10. 9/9 points  |  Previous Answers TGIntroAlgP5 3.5.032.CMI. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7 8 9
1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1
1/50 1/50 1/50 1/50 1/50 1/50 1/50 1/50 1/50
Total
9/9
 
Complete the solution by solving the equation for y. Then find the slope and the y-intercept of its graph.
2x + 5y
 		= 15
2x + 5y −
2x
Correct: Your answer is correct.
=
−2x
Correct: Your answer is correct. + 15
5y
Correct: Your answer is correct. 		=
−2x + 15
 
5y
Correct: Your answer is correct.
=
−2x
Correct: Your answer is correct.
 + 
15
Correct: Your answer is correct.
y =
−2
5
x + 3
The slope is Correct: Your answer is correct. and the y-intercept is ( Correct: Your answer is correct. , Correct: Your answer is correct. ).

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11. 5/5 points  |  Previous Answers TGIntroAlgP5 3.8.014. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5
1/1 1/1 1/1 1/1 1/1
1/50 2/50 1/50 2/50 2/50
Total
5/5
 
A function can be thought of as a machine that converts inputs into outputs. Use the terms domain, range, input, and output to label the diagram of a function machine in the illustration below. Then find f(-3).
f(-3) = Correct: Your answer is correct.
Correct: Your answer is correct. Correct: Your answer is correct. Correct: Your answer is correct. Correct: Your answer is correct.
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12. 6/6 points  |  Previous Answers TGIntroAlgP5 2.6.RQ.001. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6
1/1 1/1 1/1 1/1 1/1 1/1
1/50 1/50 1/50 1/50 1/50 1/50
Total
6/6
 

  • Part 1

    How can I predict how long it will take me to travel a nature trail?
    Use some information about a path or trail that you have previously traveled to predict your rate of travel. Recall that distance traveled is equal to the product of the rate of travel and the time:
    d = rt.
    The values you enter in this part will be used to make later calculations.
    Consider a path or trail that you have traveled before.
    How long is this path in miles?
    Correct: Your answer is correct. Your value is acceptable. mi
    How long, in hours, does it take you to travel this path from beginning to end?
    Correct: Your answer is correct. Your value is acceptable. hr

  • Part 2

    Use the values you entered in part 1 to determine the answer in this part.
    Use the equation
    d = rt
     to determine your rate of travel, in miles per hour, on this path. (Round your answer to the nearest tenth.)
    Correct: Your answer is correct. mph

  • Part 3

    Continue investigating this situation.
    Use the rate you found in part 2 and the equation
    d = rt
     to determine how long it would take you, in hours, to travel each of the trails below. (Round your answers to the nearest tenth.)
    Trail Name Distance Time (in hours)
    Matadero Creek Trail 1.5 miles Correct: Your answer is correct. hr
    WestCliff Drive Trail 3.4 miles Correct: Your answer is correct. hr
    Sabercat Creek Trail 11.2 miles Correct: Your answer is correct. hr
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