Content Detail: MAT117 Appendix C
Summary:

MAT117 Appendix C



Content Description:

MAT117 Appendix C Polynomials
Retail companies must keep close track of their operations to maintain profitability. Often, the sales data of each individual product is analyzed separately, which can be used to help set pricing and other sales strategies.
Application Practice
Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper formatting....
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Content Detail: MAT117 Appendix D
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MAT117 Appendix D



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MAT117 Appendix D The Environment
Environmental and wildlife preservation ensures future generations will have available resources and can enjoy the beauty of Earth. On the other hand, some of the damage humans have already done to the environment is expensive and time consuming to eradicate.
Application Practice
Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper formatting.
1. The cost, in millions of dollars,
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Content Detail: MAT117 Week #1 Discussion Questions
Summary:

MAT117 Week #1 Discussion Questions 1 & 2



Content Description:

MAT117 Week #1 Discussion Questions 1 & 2.
Discussion Question 1
Post a response to the following: Explain three rules for exponents listed in the chart on p. 239 (section 4.2). Do not explain the first two definitions listed in the table (Exponent of 1 or 0). Create an expression for your classmates to solve that uses scientific notation and at least one of the rules for exponents you have described.
Discussion Question 2
Post a response to the following: How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you might use polynomial division?




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Content Detail: MAT117 Week #2 Concept Check
Summary:

MAT117 Week #2 Concept Check



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MAT117 Week #2 Concept Check:
• Post a 50word response to the following: How do you determine if a polynomial is the difference of two squares? Provide a supporting Example




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Content Detail: MAT117 Week #3 Discussion Question
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MAT117 Week #3 Discussion Question



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MAT117 Week #3 Discussion Question
Discussion Question 1
Post a response to the following: Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. Did you reached 1 for an answer? You should have. How does this number game work? (Hint: Redo the number game using a variable instead of an actual number and rewrite the problem as one rational expression). How did the number game use the skill of simplifying rational expressions? Create your own number game using the rules of algebra and post it for your classmates to solve. Be sure to think about values that may not work. State whether your number game uses the skill of simplifying rational expressions.
Discussion Question 2
Post a response to the following: How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use this skill in real life?




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Content Detail: MAT117 Week #4 Concept Check
Summary:

MAT117 Week #4 Concept Check



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MAT117 Week #4 Concept Check
Post a 50word response to the following: When solving a rational equation, why is it necessary to perform a check?




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Content Detail: MAT117 Week #5 Discussion Questions
Summary:

MAT117 Week #5 Discussion Questions



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MAT117 Week #5 Discussion Questions
Discussion Question 1
Post a response to the following: Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.
Discussion Question 2
Post a response to the following: Review section 10.2 (p. 692) of your text. Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents? Provide the class with a third expression to simplify that includes rational (fractional) exponents.




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Content Detail: MAT117 Week #6 Concept Check
Summary:

MAT117 Week #6 Concept Check



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MAT117 Week #6 Concept Check
Post a 50word response to the following: What is the Pythagorean theorem? How is it used?




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Content Detail: MAT117 Week #7 Discussion Questions
Summary:

MAT117 Week #7 Discussion Questions



Content Description:

MAT117 Week #7 Discussion Questions
Discussion Question 1
Post a response to the following: How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain. Provide your classmate’s with one or two solutions with which they must create a quadratic equation.
Discussion Question 2
Post a response to the following: Quadratic equations can be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer? Why?




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Content Detail: MAT117 Week #8 Concept Check
Summary:

MAT117 Week #8 Concept Check



Content Description:

MAT117 Week #8 Concept Check
Post a 50word response to the following:
If you are looking at a graph of a quadratic equation, how do you determine where the solutions are?




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Content Detail: MAT117 Week #9 Capstone
Summary:

MAT117 Week #9 Capstone



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MAT117 Week #9 Capstone
Has the content in this course allowed you to think of math as a useful tool? If so, how? What concepts investigated in this course can apply to your personal and professional life? In what ways did you use MyMathLab® or the Center for Mathematics Excellence for extra support?




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Content Detail: MAT117 Appendix E
Summary:

MAT117 Appendix E



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MAT117 Appendix E
Radicals
1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where C is a constant, and r is the distance that the object is from the center of the earth.
a. Solve the equation w equals Cr exp (2) for r.
b. Suppose that an object is 100 pounds when it is at sea level. Find the value of C that makes the equation true. (Sea level is 3,963 miles from the center of the earth.)
c. Use the value of C you found in the previous question to determine how much the object would weigh in
Death Valley (282 feet below sea level)
The top of Mt McKinley (20,320 feet above sea level)
2. The equation D equals 1.2 sqroot (h) gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet.
a. Solve this equation for h.
b. Long’s Peak in the Rocky Mountain National Park, is 14,255 feet in elevation. How far can you see to the horizon from the top of Long’s Peak? Can you see Cheyenne, Wyoming (about 89 miles away)? Explain your answer.




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Content Detail: MAT117 Appendix F
Summary:

MAT117 Appendix F



Content Description:

MAT117 Appendix F
Ticket Sales
Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour, and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office manager. The box office manager uses this information to anticipate staffing needs until the tickets sell out. You provide the manager with a quadratic equation that models the expected number of ticket sales for each day x. ( is the day tickets go on sale). Tickets equals (.2x exp 2 plus 12x plus 11)
a. Does the graph of this equation open up or down? How did you determine this
b. Describe what happens to the tickets sales as time passes?
c. Use the quadratic equation to determine the last day that tickets will be sold. (Note: Write your answer in terms of the number of days after ticket sales begin.)
d. Will tickets peak or be at a low during the middle of the sale? How do you know?
e. After how many days will the peak or low occur?
f. How many tickets will be sold on the day when the peak or low occurs?
g. What is the point of the vertex? How does this number relate to your answers in parts e and f?
h. How many solutions are there in the above equation? How do you know?
i. (b exp 2 greater than 4ac) and (144 greater than 88)
What do the solutions represent? Is there a solution that does not make sense? If so, in what ways does the solution not make sense?




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