sat - practice test # 9

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april qas 4/10/18 1 x y x y + = 21 − 2 = −3 according to the system of equations above, what is the value of x ? a) 6 b) 8 c) 13 d) 15 2 which of the following is the graph of the equation y x= 3 − 2 in the xy-plane? a) x y 1 1 b) x y 1 1 c) x y 1 1 d) x y 1 1 ............................................................................................................................................................................................................................................................................................................... user placed image user placed image user placed image user placed image 3 which of the following expressions is equivalent to x x+ 10 + 212 ? a) x x+ 1 + 9 + 12( )( ) b) x x x+ 1 + 9 + 12( )( ) c) x x+ 3 + 7 + 5( )( ) d) x x x+ 3 + 7 + 5( )( ) 4 y x y …

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e formula above is used to estimate the ideal quantity, q, of items a store manager needs to order given the demand quantity, d; the setup cost per order, k; and the storage cost per item, h. which of the following correctly expresses the storage cost per item in terms of the other variables? a) h dk q = 2 b) h dk q = 2 c) h dk q = 2 2 d) h q dk = 2 2 10 x x c x8 − 2 + 1 =( ) in the equation above, c is a constant. if the equation has infinitely many solutions, what is the value of c ? a) 3 2 b) 5 2 c) 7 2 d) 9 2 ............................................................................................................................................................................................................................................................................................................... user placed image user placed image user placed image 11 k2,000 − 61 = 48 in 1962, the population of a bird species was …

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............................................................................................................................................................................ user placed image user placed image 14 p = 215 1.005 t 3( ) the equation above can be used to model the population, in thousands, of a certain city t years after 2000. according to the model, the population is predicted to increase by 0.5% every n months. what is the value of n ? a) 3 b) 4 c) 12 d) 36 15 which of the following is an equivalent form of the expression x x2 − 2 − 2 − 22( ) ( ) ? a) x x2 − 6 + 62 b) x x4 − 10 + 22 c) x x2 − 2 2 − 2( )( ) d) x x2 − 3 2 − 2( )( ) ............................................................................................................................................................................................................................................................................................................... 16 s t2 + = 11 in the equation above, what is the value of s when t = −1 ? 17 x x− 1 = …

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ner to hold 12 drinking glasses shaped as regular octagonal prisms. her initial sketch of the top view of the base of the container is shown above. if the length and width of the container base in the initial sketch were doubled, at most how many more glasses could the new container hold? carrie redesigned the container because the initial sketch did not account for cushioning material between the glasses. the area of the base of the newly designed container is 25% greater than the area of the base in the initial sketch. what is the area, in square inches, of the base of the newly designed container? user placed image user placed image user placed image user placed image number of ridersday 612monday 798tuesday 655wednesday 773thursday 808friday 480saturday 229sunday which of the following is true based on these data? a) the bus had the most riders on tuesday. b) …

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the expression above? a) x4 2 b) x x2 + 22 c) x x2 + 23 2 d) x x x2 + 2 − 43 2 ............................................................................................................................................................................................................................................................................................................... 26 one hundred park-district members will be selected to participate in a survey about selecting a new park-district coordinator. which of the following methods of choosing the 100 members would result in a random sample of members of the park district? a) obtain a numbered list of all park-district members. use a random number generator to select 100 members from the list. give the survey to those 100 members. b) obtain a list of all park-district members sorted alphabetically. give the survey to the first 100 members on the list. c) tell all park-district members that volunteers are needed to take the survey. give the survey to the first 100 members who volunteer. d) obtain a list of all park-district members who are …

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april qas 4/10/18 1 x y x y + = 21 − 2 = −3 according to the system of equations above, what is the value of x ? a) 6 b) 8 c) 13 d) 15 2 which of the following is the graph of the equation y x= 3 − 2 in the xy-plane? a) x y 1 1 b) x y 1 1 c) x y 1 1 d) x y 1 1 ............................................................................................................................................................................................................................................................................................................... user placed image user placed image user placed image user placed image 3 which of the following expressions is equivalent to x x+ 10 + 212 ? a) x x+ 1 + 9 + 12( )( ) b) x x x+ 1 + …

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