Applied Math 40S Jun 2017

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Grade 12 Applied Mathematics Achievement Test Student Booklet June 2017
Manitoba Education and Training Cataloguing in Publication Data Grade 12 applied mathematics achievement test. Student booklet. June 2017 This resource is available in print and electronic formats. ISBN: 978-0-7711-7450-6 (print) ISBN: 978-0-7711-7451-3 (pdf) 1. Educational tests and measurements—Manitoba. 2. Mathematical ability—Testing. 3. Mathematics—Examinations, questions, etc. 4. Mathematics—Study and teaching (Secondary)—Manitoba. I. Manitoba. Manitoba Education and Training. 510.76 Manitoba Education and Training Winnipeg, Manitoba, Canada Permission is hereby given to reproduce this resource for non-profit educational purposes provided the source is cited. After the administration of this test, print copies of this resource will be available for purchase from the Manitoba Learning Resource Centre. Order online at www.mtbb.mb.ca . This resource will also be available on the Manitoba Education and Training website at www.edu.gov.mb.ca/k12/assess/archives/index.html . Websites are subject to change without notice. Disponible en français. While the department is committed to making its publications as accessible as possible, some parts of this document are not fully accessible at this time. Available in alternate formats upon request.
Applied Mathematics: Student Booklet (June 2017) 1 G RADE 12 A PPLIED M ATHEMATICS A CHIEVEMENT T EST D ESCRIPTION Total Possible Marks: 61 Time: 3 hours Unit Description Marks A Relations and Functions 16 B Probability 15 C Financial Mathematics 15 D Design and Measurement 6 E Logical Reasoning 9 R ESOURCES You may use the following resources: • Formula Sheet (tear-out page at the back of this booklet) • one 8½ ″ × 11 ″ study sheet • ruler • graphing calculator, computer software, and/or app • Internet access for tools such as applets or mortgage payment calculators Use of the Internet to communicate or access other content, including but not limited to course notes, definitions, or conceptual information is not permitted during the test. Electronic communication between students through phones, email, or file sharing during the test is strictly prohibited.
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2 Applied Mathematics: Student Booklet (June 2017)
Applied Mathematics: Student Booklet (June 2017) 3 D IRECTIONS Read all instructions on the test carefully. If you need extra paper or you print out an answer to a question, let the teacher know. Indicate in the response space of the question that your answer is on a separate sheet. Remember to • indicate your input values by writing them in your booklet or printing a copy if using a technology tool • include your booklet number and question number on additional pages (e.g., printouts) and attach them to the corresponding page in the booklet • express your answers in decimal and percentage form to the nearest hundredth (two decimal places) when rounding, unless otherwise indicated Example: 15 0.52 or 51.72% 29 = • state any assumptions you make A “graphic organizer” is a visual representation of information. Examples include a tree diagram, a chart, a list, a Venn diagram, a truth table, Pascal’s triangle, etc. A clearly communicated answer — is easily identified in the response space — includes the parameters in the equation, and “ y =”, “sin”, “ln”, or “ x ”, as applicable — includes the units of measure, where applicable — includes labels, units, and scales for the axes on graphs — is expressed as an exact value or is appropriately rounded Marks may be deducted for errors relating to any of the above. PLEASE WAIT UNTIL INSTRUCTED TO TURN THE PAGE. STOP
4 Applied Mathematics: Student Booklet (June 2017)
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Applied Mathematics: Student Booklet (June 2017) 5 R ELATIONS AND F UNCTIONS Question 1 Total: 1 mark Select the answer that best completes the statement. 101 The end behaviour of a cubic function can extend from: A. quadrant I to quadrant II B. quadrant II to quadrant I C. quadrant II to quadrant IV D. quadrant III to quadrant IV
6 Applied Mathematics: Student Booklet (June 2017) Question 2 Total: 1 mark Use the graph below to answer the following question and select the best answer. 102 Which equation does the graph represent? A. ( ) 6 sin 4 5 y x = + B. ( ) 12 sin 4 5 y x = + C. ( ) – 6 sin 4 5 y x = + D. ( ) –12 sin 4 5 y x = + 11 5 –1 0.393 0.786 1.179 1.572 y x 2 8 – 0.393 – 0.786 – 4
Applied Mathematics: Student Booklet (June 2017) 7 Question 3 Total: 2 marks 103 Jordan is making an open-top box using an 8 in. by 10 in. sheet of cardboard. He plans to cut squares of length x from the corners and fold up the sides. The function that represents the volume of the box, V , can be modelled by the equation: ( )( )( ) 10 – 2 8 – 2 V x x x = Determine the maximum volume of the box. Show your work. x x 10 in. 8 in. x
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8 Applied Mathematics: Student Booklet (June 2017) Question 4 Total: 2 marks When jumping rope, the centre of the rope reaches a maximum height of 1.90 m at 0.38 s and a minimum height of 0.08 m at 0.88 s. For the sinusoidal function that models the height at the centre of the rope as a function of time, 104 a) determine the period. (1 mark) 105 b) determine the median height. (1 mark) Time (s) Height (m) Maximum Minimum
Applied Mathematics: Student Booklet (June 2017) 9 Question 5 Total: 5 marks A microbiologist is studying bacterial growth over 2 full days. She notices that the bacterial count doubles every 3 hours. The initial bacterial count is 6. 106 a) Determine an exponential equation that represents this situation. Show your work. (2 marks) 107 b) How much time does it take until the bacterial count is 1000? Show your work. (2 marks) 108 c) State the domain for this situation. (1 mark)
10 Applied Mathematics: Student Booklet (June 2017) Question 6 Total: 5 marks A small town gets cellphone service. The number of users increases as a function of time as shown in the table below. Time (weeks) 1 2 4 8 12 20 Number of users 202 319 480 656 743 821 109 a) Create a clearly labelled graph by plotting the given data. Draw the curve of best fit. (3 marks) 110 b) Determine the regression equation that best models the data in this situation. (1 mark)
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Applied Mathematics: Student Booklet (June 2017) 11 111 c) According to your equation in (b), how many users did the town have at 15 weeks? (1 mark)
12 Applied Mathematics: Student Booklet (June 2017) P ROBABILITY Question 7 Total: 1 mark Select the best answer. 112 The probability of rain tomorrow is 5 . 8 What are the odds against rain tomorrow? A. 3:8 B. 5:8 C. 3:5 D. 5:3 Question 8 Total: 2 marks 113 A survey of 25 students found that the probability of a student having a cat or a dog is 72%. Of the 25 students, 44% said they have a cat and 64% said they have a dog. How many students have both a cat and a dog? Show your work.
Applied Mathematics: Student Booklet (June 2017) 13 Question 9 Total: 2 marks 114 How many different routes are there from A to B if you only go east and south? Show your work. A B N
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14 Applied Mathematics: Student Booklet (June 2017) Question 10 Total: 3 marks Andrei and Sergei are playing soccer. They each take a shot on goal. Andrei shoots first and Sergei shoots second. The probability of Andrei scoring is 0.70 and the probability of Sergei scoring is 0.60. 115 a) Use a graphic organizer to show all the possible outcomes for this situation. (1 mark) 116 b) What is the probability that at least one of them will score? Show your work. (2 marks)
Applied Mathematics: Student Booklet (June 2017) 15 Question 11 Total: 3 marks An ultimate frisbee team consists of 7 players. A team is formed by randomly choosing players from a group of 8 men and 7 women. 117 a) Determine the number of ways 7 players can be chosen to form a team. (1 mark) 118 b) Determine the probability that the team has exactly 3 women. Show your work. (2 marks)
16 Applied Mathematics: Student Booklet (June 2017) Question 12 Total: 4 marks While playing a game, Cally pulls out the following letters from a bag containing some vowels (A, E, I, O, U) and some consonants: 119 a) How many different arrangements can be made using all of the letters above? Show your work. (2 marks) 120 b) If Cally places all the vowels together and all the consonants together, how many different arrangements can be made using all of the letters above? Show your work. (2 marks) X A A U B L A
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Applied Mathematics: Student Booklet (June 2017) 17 F INANCIAL M ATHEMATICS Question 13 Total: 1 mark Select the best answer. 121 Xavier needs a loan to purchase a car. Which of the following options would result in the least interest paid? A loan with an interest rate of: A. 5.50%, compounded daily B. 5.50%, compounded weekly C. 5.50%, compounded monthly D. 5.50%, compounded annually Question 14 Total: 1 mark Select the best answer. 122 Shalini invests $25 000.00 in a Canada Savings Bond that earns a simple interest rate of 1.90%. Determine the value of the investment at the end of 5 years. A. $2375.00 B. $27 375.00 C. $27 489.41 D. $237 500.00
18 Applied Mathematics: Student Booklet (June 2017) Question 15 Total: 4 marks The Bashir family wants to buy a house. They can afford monthly payments of $1325.00. The bank offers them an interest rate of 3.25%, compounded semi-annually over 15 years or 25 years. 123 a) Determine the maximum amount they can borrow if the mortgage is amortized over 15 years. Show your work. (2 marks) 124 b) Determine the maximum amount they can borrow if the mortgage is amortized over 25 years. (1 mark) 125 c) Give one reason why the Bashir family would choose to buy the less expensive house. (1 mark)
Applied Mathematics: Student Booklet (June 2017) 19 Question 16 Total: 5 marks You are presented with two different investment plans: Plan A: Invest $1000.00 every year for 10 years at an interest rate of 6.00%, compounded monthly. Plan B: Invest a lump sum of $10 000.00 at an interest rate of 6.00%, compounded monthly for 10 years. 126 a) Determine the value of each investment plan after 10 years. Show your work. (3 marks) 127 b) Calculate the total amount of interest earned for each plan. (1 mark) 128 c) Which plan would you choose? Explain. (1 mark)
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20 Applied Mathematics: Student Booklet (June 2017) Question 17 Total: 4 marks The Connors are purchasing a condominium that costs $190 000.00. They have $25 000.00 saved for a down payment and will finance the balance at an interest rate of 5.50% for 20 years, compounded semi-annually. 129 a) Determine their monthly mortgage payment. Show your work. (2 marks) 130 b) There are condominium fees of $300.00 per month in addition to the down payment and mortgage payments. Calculate the total amount they will have paid after 5 years. Show your work. (2 marks)
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Applied Mathematics: Student Booklet (June 2017) 21 D ESIGN AND M EASUREMENT Question 18 Total: 3 marks 131 A spherical balloon has a diameter of 30 cm. Air is added to the balloon until its surface area increases by 500 cm 2 . What is the new diameter?
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22 Applied Mathematics: Student Booklet (June 2017) Question 19 Total: 3 marks 132 Students are building birdhouses as a class project. The birdhouses are built to the specifications shown in the diagram below. (Diagram is not drawn to scale.) Identify all of the faces of one birdhouse. Use the graphing paper on the next page to illustrate the number of birdhouses the students can build from a 4 ft. × 3 ft. sheet of plywood. Face Dimensions 8 in. 6 in. 6 in. 14 in. 14 in.
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Applied Mathematics: Student Booklet (June 2017) 23 The students can build a maximum of birdhouse(s). 1 square = 2 inches 4 ft. 3 ft. Sheet of Plywood
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24 Applied Mathematics: Student Booklet (June 2017) L OGICAL R EASONING Question 20 Total: 1 mark Select the best answer. 133 Which of the following statements is not biconditional? A. If you invest at 6%, then your investment will double in about 12 years. B. If a quadrilateral is a square, then it is a rectangle. C. If 3, x y + = then 3 – . y x = D. If a glass is half empty, then it is half full. Question 21 Total: 1 mark 134 Complete the pattern in the lower-right quadrant.
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Applied Mathematics: Student Booklet (June 2017) 25 Question 22 Total: 1 mark 135 A student is shown 5 sprockets and a chain. The student predicts that when sprocket A is turned clockwise the chain will go downwards. Is he correct? Explain. A B C D E chain
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26 Applied Mathematics: Student Booklet (June 2017) Question 23 Total: 2 marks Consider the conditional statement below: “If the probability of snow tomorrow is 4 , 5 then the odds in favour of snow tomorrow are 4:1.” 136 a) Write the converse of the conditional statement. (1 mark) 137 b) Determine if a biconditional statement is possible. If yes, write the biconditional statement. If not, provide a counterexample. (1 mark)
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Applied Mathematics: Student Booklet (June 2017) 27 Question 24 Total: 4 marks A survey of 95 families found that: • 54 families have a car • 46 families have a truck • 28 families have a motorcycle • 24 families have only a truck • 10 families have a car and a truck • 8 families have only a car and a motorcycle • 5 families have all three 138 a) How many families do not have any vehicle? Show your work. (3 marks) 139 b) How many families have at least two vehicles? (1 mark) END OF TEST
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28 Applied Mathematics: Student Booklet (June 2017) NO MARKS WILL BE AWARDED FOR WORK DONE ON THIS PAGE.
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Applied Mathematics: Student Booklet (June 2017) 29 NO MARKS WILL BE AWARDED FOR WORK DONE ON THIS PAGE.
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30 Applied Mathematics: Student Booklet (June 2017) NO MARKS WILL BE AWARDED FOR WORK DONE ON THIS PAGE.
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Applied Mathematics: Student Booklet (June 2017) 31 Formula Sheet: Applied Mathematics Relations and Functions y ax b = + 2 y ax bx c = + + 3 2 y ax bx cx d = + + + x y ab = ( ) ln y a b x = + log b y a x = ( ) sin y a bx c d = + + ( ) cos y a bx c d = + + Financial Mathematics 72 t i = I Prt = 1 nt r A P n = + Net worth Total assets – Total liabilities = Debt-to-equity ratio (%) ( ) Total liabilities – Mortgage 100 Net worth = × Gross debt service ratio (%) Monthly Monthly Monthly mortgage property heating payment taxes costs 100 Gross monthly income + + = × Rate of return (%) Current value Previous value – of portfolio of portfolio 100 Previous value of portfolio = × Probability ( ) ( ) ( ) ( ) or – and P A B P A P B P A B = + ( ) ( ) ( ) and P A B P A P B = × ( ) ( ) ( ) and P A B P A P B A = × ( ) ! – ! n r n P n r = ( ) ! ! – ! n r n C r n r = Design and Measurement Prism: Surface area 2 Volume Ph B Bh = + = Pyramid: Surface area ( slant height) 2 Volume 3 Ps B s Bh = + = = 2 3 Sphere: Surface area 4 4 Volume 3 r r π π = = 2 2 Cylinder: Surface area 2 2 Volume rh r r h π π π = + = 2 2 Cone: Surface area Volume 3 r rs r h π π π = + =
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32 Applied Mathematics: Student Booklet (June 2017)
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