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Test Bank for Elementary and Intermediate Algebra Functions and Authentic Applications, 3rd Edition

Test Bank for Elementary and Intermediate Algebra Functions and Authentic Applications, 3rd Edition offers an effective way to prepare, including essential test questions and answers.

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    Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Respond to the question by using complete sentences. 1) Let n be the number (in thousands) of fans who attend a baseball game. What does n = 20 mean in this situation? 1) _______ A) There are 20,000 seats at the baseball field. B) There are 20 seats at the baseball field. C) 20 fans attended the baseball game. D) 20,000 fans attended the baseball game. 2) Let p be the percentage of college students who participate in athletics. The value of p is about 34 for 2017. What does p = 34 mean in this situation? 2) _______ A) In 2017, college students participated in athletics. B) In 2017, about 0. 34% of college students participated in athletics. C) In 2017, about 34 college students participated in athletics. D) In 2017, about 34% of college students participated in athletics. 3) Let p be a company's annual profit (in millions of dollars). What does p = - 10 mean in this situation? 3) _______ A) The company made $ 10 million. B) The company made $ 10. C) The company lost $ 10. D) The company lost $ 10 million. 4) Let t be the number of years since 2017. What does t = 8 mean in this situation? A) The statement t = 8 represents the year 2009. 4) _______ B) The statement t = 8 represents the year 2025. C) The statement t = - 8 represents the year 2025. D) The statement t = - 8 represents the year 2009. 5) Let t be the number of years since 2017. What does t = - 3 mean in this situation? A) The statement t = 3 represents the year 2020. 5) _______ B) The statement t = - 3 represents the year 2014. C) The statement t = - 3 represents the year 2020. D) The statement t = 3 represents the year 2014. SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Choose a variable name for the given quantity. Give two numbers that the variable can represent and two numbers that it cannot represent. 6) The total time (in minutes) that a person waits in line at the bank 6) _____________ 7) The price (in dollars) of a DVD 7) _____________

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    Solve the problem. 8) A rectangle has an area of 12 square feet. Let W be the width (in feet), L be the length (in feet), and A be the area (in square feet). a. Sketch three possible rectangles of area 12 square feet. b. Which of the symbols W, L, and A are variables? c. Which of the symbols W, L, and A are constants? 8) _____________ 9) The perimeter of a rectangle is the sum of the lengths of all four sides. A rectangle has a perimeter of . Let W be the width, L be the length, and P be the perimeter, all units in yards. a. Sketch three possible rectangles of perimeter 24 yards. b. Which of the symbols W, L, and P are variables? c. Which of the symbols W, L, and P are constants? 9) _____________ 10) The length of a rectangle is three times the width. Let W be the width, L be the length, and P be the perimeter, all units in feet. a. Sketch three possible rectangles in which the length is three times the width. b. Which of the symbols W, L, and P are variables? c. Which of the symbols W, L, and P are constants? 10) ____________ 11) The width of a rectangle is 2 inches. Let W be the width (in inches), L be the length (in inches), and A be the area (in square inches). a. Sketch three possible rectangles of width 2 inches. b. Which of the symbols W, L, and A are variables? c. Which of the symbols W, L, and A are constants? 11) ____________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Graph the numbers on a number line. 12) 12) ______ A) B) C) D)

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    13) { - 4.75, - 2, 0, 2.25} 13) ______ A) B) C) D) 14) Counting numbers between 2 and 7 14) ______ A) B) C) D) 15) Integers between - 3 and 3, inclusive 15) ______ A) B) C) D)

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    16) Integers between - 4 and 1, inclusive 16) ______ A) B) C) D) 17) Negative integers between - 5 and 5 17) ______ A) B) C) D) 18) Positive integers between - 5 and 5 18) ______ A) B) C) D) Which of the numbers are the given type of number?

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    19) 17, , - 15, 0, , - , 8.8, Integers 19) ______ A) 17, - 15, 0, B) 17, - 15, 0 C) 17, 0, D) 17, 0 20) 9, , - 6, 0, , - , 8.7, Counting numbers 20) ______ A) 9, B) 9, 0, C) - 6, 0, 9 D) 9, 0 21) 3, , - 16, 0, , Real numbers 21) ______ A) 3, - 16, 0, B) 3, - 16, 0, , C) 3, - 16, 0, D) 3, , - 16, 0, , 22) 6, , - 20, 0, , , 0.18 Rational numbers 22) ______ A) 6, - 20, 0, , , 0.18 B) , C) , , 0.18 D) 6, 0, 23) 14, , - 23, 0, , , 0.15 Irrational numbers 23) ______ A) , 0.15 B) , , 0.15 C) D) , Find the average. 24) The number of visitors to a historical museum for various days are 43, 53, 29, 49, 26, 53, and 27 A) 40 B) 35 C) 53 D) 43 24) ______ 25) The sales (in millions of dollars) of a technology company for various years are 10.2, 11, 8, 11, and 7.8. 25) ______ A) $ 10.2 million B) $ 8 million C) $ 9.6 million D) $ 11 million 26) The number of students that have applied to the professional art program in the years 2013, 2014, 2015, 2016, and 2017 are 51, 56, 42, 52, and 39, respectively. 26) ______ A) None B) 40 C) 48 D) 51

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    Solve the problem. 27) The number of listings on an online auction website (in millions) in the years 2013, 2014, 2015, 2016, 2017 are 1.2, 4.7, 6.6, 7.1, and 7.8, respectively. Did the number of listings increase, decrease, stay approximately constant, or none of these between 2013 and 2017, inclusive? 27) ______ A) increase B) constant C) decrease D) none of these 28) The number of listings on an online auction website (in millions) in the years 2013, 2014, 2015, 2016, 2017 are 1.2, 4.6, 6.5, 7.2, and 7.5, respectively. Did the increases in the number of listings increase, decrease, stay approximately constant, or none of these between 2013 and 2017, inclusive? 28) ______ A) decrease B) constant C) increase D) none of these Plot the given point in the rectangular coordinate system. 29) ( 6, 2) 29) ______ A) B) C)

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    D) 30) ( - 4, 5) 30) ______ A) B)

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    C) D) 31) ( 6, - 2) 31) ______ A)

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    B) C) D) 32) ( - 1, - 5)

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    32) ______ A) B) C) D)

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    33) (0, 2) 33) ______ A) B) C)

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    D) 34) ( - 6, 0) 34) ______ A) B)

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    C) D) Identify the coordinates of each point labeled in the figure. 35) 35) ______ A) A( 7, 6); B( - 3, 1) B) A( 7, 6); B( 1, - 3) C) A( 6, 30); B( 1, - 3) D) A( 7, 1); B ( 6, 1)

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    36) 36) ______ A) C( 5, 6); D( - 4, 3) B) C( - 5, 5); D( - 4, 3) C) C( - 5, - 4); D( 5, - 4) D) C( - 5, 5); D( 3, - 4) 37) 37) ______ A) E( - 3, - 7); F( 3, - 7) B) E( 3, 10); F( - 7, - 6) C) E( - 3, 3); F( - 7, - 6) D) E( - 3, 3); F( - 6, - 7) 38) 38) ______ A) G( 7, - 5); H( - 4, - 2) B) G( - 5, 30); H( - 4, - 2) C) G( 7, - 5); H( - 2, - 4) D) G( 7, - 4); H( - 5, - 4) Identify the independent variable and the dependent variable. 39) Let T be the time ( in minutes) it takes to grade N assignments.

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    A) independent: T; dependent, N B) independent: N; dependent, T 39) ______ 40) Let r be the rate ( in gallons per hour) at which water is added to a tank, and let t be the number of hours it takes to fill the tank. 40) ______ A) independent: t; dependent, r B) independent: r; dependent, t 41) Let n be the number of people at a water park when the temperature is F degrees Fahrenheit. A) independent: F; dependent, n B) independent: n; dependent, F 41) ______ 42) Let I be a person's annual income ( in dollars) , and let T be the state taxes (in dollars) the person must pay. 42) ______ A) independent: T; dependent, I B) independent: I; dependent, T Describe what the given ordered pair represents. 43) Let n be the average number of cars sold per week by a car dealer who works t hours per week. What does the ordered pair ( 40, 12) represent? 43) ______ A) It will take 12 car deals to sell 40 cars per week B) It will take 40 car deals to sell 12 cars per week C) A car dealer who works 12 hours per week will sell an average of 40 cars per week. D) A car dealer who works 40 hours per week will sell an average of 12 cars per week. 44) Let p be the percentage of Americans at age A who have made a charitable donation in the past year. What does the ordered pair ( 23, 67) represent? 44) ______ A) 0. 67% of Americans at age 23 made a charitable donation last year. B) 67% of Americans at age 23 made a charitable donation last year. C) 0. 23% of Americans at age 67 made a charitable donation last year. D) 23% of Americans at age 67 made a charitable donation last year. 45) Let a be the total amount of money spent on advertising (in millions of dollars) by a national retail company at t years since 2010. What does the ordered pair ( 8, 13.7) represent? 45) ______ A) $ 13.7 million was spent on advertising in 201 8. B) $ 13.7 million was spent on advertising in 2002. C) Over the last 8 years $ 13.7 million was spent on advertising. D) Since 2002 $ 13.7 million has been spent on advertising. 46) Let a be the total amount of money spent on advertising (in millions of dollars) by a national retail company at t years since 2010. What does the ordered pair ( - 5, 3.5) represent? 46) ______ A) Since 2005 $ 3.5 million has been spent on advertising. B) $ 3.5 million was spent on advertising in 201 5. C) $ 3.5 million was spent on advertising in 2005. D) Over the last 5 years $ 3.5 million was spent on advertising.

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