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Questions focus on translating word problems into equations, finding solution values from systems, interpreting slope and y-intercept shifts, determining roots and ratios of cube volumes, and estimating values from a forearm length vs. shoe size graph. 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Set the total equal to the given overall cost, then compare with the answer choices.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What changes in a graph when the y-intercept is shifted down by 3 units?",{"text":117,"@type":113},"The y-intercept moves down by 3, while the slope stays the same, so the graph is translated vertically without changing its steepness.",{"name":119,"@type":110,"acceptedAnswer":120},"How can you tell whether a situation can be represented by a linear function?",{"text":121,"@type":113},"Check whether the relationship between inputs and outputs changes at a constant rate. If the quantities grow multiplicatively (such as doubling each day), the relationship is not linear.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},475273,1790820895,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":19,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":41},137451207643,"https://ap-avatar.wpscdn.com/davatar_3d24733baf745e90a7e4bdd5f77d97b2","Copyright © Pearson Education, Inc ., or its affi liates . All rights reserved .  \nName   Class   Date    \nAlgebra I STAAR Practice Test B  \n1 At a video store, used videos cost $5.00 and new videos cost $12.00. Which equation best describes the number of used, u, and new, n, videos that can be purchased for $58.00?  \nA 5u 1 12n 5 58 B 12u 1 5n 5 58 C 17(u 1 n) 5 58 D 41(u 1 n) 5 0  \n2 What is the y-value of the solution to the system of equations shown below?  \n5x 2 2y 5 210  \n2x 1 2y 5 9  \nRecord your answer and fill in the bubbles on your answer document.  \n3 Sean does pet-sitting in the summer. His net profit, p, is represented by the equation p 5 12a 2 130, where a is the number of petshe watches. Which is the best interpretation of this information?  \nA Sean made a profit of $130.  \nB Sean earns $12 dollars for each pet he watches and initially invested $130. C Sean earns $130 for each pet he watches.  \nD Sean paid $12 to get his pet-sitting business started and has 130 clients.  \n4 Sandy bought x notebooks and y pencils for $9.77. Each notebook cost $1.95 and each pencil cost $0.49. Which equation represents this situation?  \nF 9.77 5 1.95x 2 0.49y G 9.77 5 1.95x 1 0.49y H 9.77 5 1.95y 2 0.49x J 9.77 5 1.95y 1 0.49x  \n5 Which function best describes the data in the table below?  \n\n| x | 1 | 3 | 5 | 7 |\n| --- | --- | --- | --- | --- |\n| y | 5 | 13 | 21 | 29 |\n\nA y 5 4x B y 5 4x 1 1 C y 5 2x D y 5 2x 1 2  \nGO ON  \nSTAAR Algebra I EOC Assessment Practice Algebra I STAAR Practice Test B 89  \nName   Class   Date    \n6 Garrett purchased x pounds of beef at $4 each and y bags of chips at $3 each. He spent less than $30, not including tax. Use the grid below to graph the inequality 4x 1 3y , 30.  \n\n|  |  |  |  | 8 | y |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  | 4 |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n| –8 |  | –4 |  | O |  | 4 |  |  | 8 x |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  | –4 |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  | –8 | |  |  |  |  |\n\nWhich point represents a reasonable number of pounds of beef and bags of chips that Garrett may have purchased?  \nF (2, 8) H (5, 3)  \nG (7, 1) J (6, 4)  \n7 What is the equation of the line that passes through the points (2, 3) and (5, 6)?  \nA y 5 x 1 3 C y 5 2x 1 3  \nB y 5 x 1 1 D y 5 2x 1 1  \n8 The owner of a landscaping company uses the function y 5 35 1 20x to determine the charge for service, where y is the charge and x is the number of hours of service. What does it mean if the company changes the function to y 5 35 1 25x?  \nF The initial cost for the landscaping service increased to $25.  \nG The total cost for landscaping service increased to $25.  \nH The cost per hour of landscaping service increased to $25.  \nJ The number of employees at the landscaping company increased to 25.  \n9 How does the graph ofy 5 2x2 differ from the graph ofy 5 2x2 2 3?  \nA The graph ofy = 2x2 2 3 is wider than the graph ofy 5 2x2.  \nB The graph ofy 5 2x2 2 3 is narrower than the graph ofy 5 2x2.  \nC The graph ofy 5 2x2 2 3 is shifted down 3 units from the graph ofy 5 2x2.  \nD The graph ofy 5 2x2 2 3 is shifted up  \n3 units from the graph ofy 5 2x2.  \n10 Which situation cannot be represented a linear function?  \nF the number of wheels on n bicycles G the total cost of tickets at $10 per ticket H the number of right angles in n rectangles  \nJ the population of bacteria that doubles each day  \n11 The expression s8 represents the volume of a large cube. The expression s3 represents the volume of a small cube. What is the ratio of the volume of the large cube to the volume of the small cube?  \nA  \nB  \nC  \nD  \ns5  \ns11  \ns24  \ns32  \nGO ON  \n90 Algebra I STAAR Practice Test B STAAR Algebra I EOC Assessment Practice  \nCopyright © Pearson Education, Inc ., or its affi liates . All rights reserved .  \nCopyright © Pearson Education, Inc ., or its affi liates . All righ","cbCaigqNkmWkCkr1","https://ap.wps.com/l/cbCaigqNkmWkCkr1","pdf",495943,12,"English","# Questions\n## Linear functions and systems\n## Quadratics, transformations, and inequalities","[{\"question\":\"How do you decide which equation matches a word problem involving prices?\",\"answer\":\"Translate each purchase type into a variable-based term (used vs. new, notebooks vs. pencils). Set the total equal to the given overall cost, then compare with the answer choices.\"},{\"question\":\"What changes in a graph when the y-intercept is shifted down by 3 units?\",\"answer\":\"The y-intercept moves down by 3, while the slope stays the same, so the graph is translated vertically without changing its steepness.\"},{\"question\":\"How can you tell whether a situation can be represented by a linear function?\",\"answer\":\"Check whether the relationship between inputs and outputs changes at a constant rate. If the quantities grow multiplicatively (such as doubling each day), the relationship is not linear.\"}]","Algebra I STAAR Practice Test B - Section 1 - Answers | PDF",1790785689]