= Review!! 1 st Quarter Exam Practice

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1 Name: Review!! st Quarter Exam Practice Jarvis rode his bike. miles in 0.5 hours. What was his average speed in mi/h?.05 mi/h 8. mi/h 6.8 mi/h 0.5 mi/h uring a recent football game, aron Rodgers completed out of his first 5 passes. How many passes can he expect to complete if he throws 0 passes in the entire game? = Find the product of 9. and Find the product of 8. and = lex has 9. gallons of gas left in the tank of her car. Her car gets 5 miles to the gallon on the highway. She wants to travel to the beach, which is 75 miles of highway driving. bout how many gallons of gas will lex have left after she reaches the beach? (only considering the highway driving) bout gallon bout 5 gallons bout gallons bout 6 gallons Which two ratios are proportional? and and and and ate: lass: Pre-lgebra Of the 0 girls who tried out for the lacrosse team at Euclid Middle School, were selected. Which proportion can be used to find b, the number of boys that would be selected at the same rate if 0 boys tried out? b 0 0 b b 0 0 b 0 The number of words ella types is proportional to the number of minutes she is typing. In minutes, she types 6 words. What is the constant of proportionality? k = k = 9 k = k = 78 Nick s football team is competing in a tournament. They have won out of 0 games. What is their ratio of wins to losses? : 5 : : 5 : Kristen is making smoothies. The ratio of yogurt to juice is to. If Kristen has 6 cups of juice, how many cups of yogurt does she need? cups 6 cups 5 cups 8 cups Which of the following graphs represents a proportional relationship? Review st Quarter Exam

2 The relationship between the length of one side of a square, x, and the perimeter of the square, y, can be represented in an xy-plane by a straight line. Which of the points with coordinates (x, y) lie on the line? (, ) (, ) (, ) (, ) 9 Tell whether the graph represents a proportional relationship. If so, write the equation. 5 lexa bought bags of fruit that each weighed.7 pounds. Estimate the total weight of all the bags lexa bought. 50 lb 00 lb 75 lb 5 lb proportional; x = 6y Not proportional proportional; y = 6x 6 Which of the following tables represents a proportional relationship between x and y? 0 proportional; y = 6x + 6 Tell whether the data set shows a proportional relationship. If so, identify the constant of proportionality. x 5 6 y 6 5 x y Number of ost askets $ 5 $0 6 $ 8 $ 5 $ x y 8 6 x 5 y Which equation represents a proportional relationship? y x y x y x y x To make lemonade, cups of lemon juice are mixed with 7 cups of water. escribe and correct the error in the proportion used to find the number of cups of lemon juice j to mix with 8 cups of water. 7 = 8 j Not proportional Proportional; k = 9 Proportional; k = Jane lives 5 Proportional; k = miles from school. On the way to school one morning Jane s mom ran out of gas after traveling miles. If she decides to walk the rest of the way, how far will Jane need to walk? Fred studied for his math test for hours. His friend Sam studied for hours. How much longer did Fred study than Sam?

3 Name: Review!! st Quarter Exam Practice ate: lass: Pre-lgebra Review st Quarter Exam SHORT N EXTENE RESPONSE You must show all work where appropriate for full credit. correct response with insufficient work will only receive credit. The line graphed below represents the total recipe calls for stick of butter for every 5 distance traveled by a tree sloth over time. cup of milk added. What is the unit rate of sticks of butter to cups of milk, as a fraction in simplest form? 5 8 nswer Shelia mixed ounces of blue paint with ounces of red paint. She decided to create 0 ounces of the same mixture. If the relationship is proportional, how many ounces of red paint does Shelia need for the new mixture? PRT ased on this graph, which of the following statements is true? The tree sloth traveled 8 feet in 5 minutes. The tree sloth traveled 0 feet in minutes. The tree sloth traveled feet in minute. The tree sloth traveled 8 feet in minutes. PRT What number represents the constant of proportionality for the line? PRT What ordered pair represents the unit rate? nswer nswer ounces of red paint nswer

4 6 Mary ran the 5-kilometer race in 5 minutes while Melanie ran the -kilometer race in 7 minutes. 8 Pamela drove at a steady speed during a road trip. She recorded the amount of time she drove and the distance she covered as shown in the table below. Part What was Mary s speed in kilometers per minute? Round to nearest thousandth of a km. nswer: kilometers per minute Part What was Melanie s speed in kilometers per minute? Round to nearest thousandth of a km. Time (t) (in hours) 6 istance (d) in miles PRT Plot these points on the graph below and connect them with a straight line. nswer: kilometers per minute Part How many minutes did it take Mary to travel km? nswer: minutes Part How many minutes did it take Melanie to travel km? nswer: minutes Part E Who is the faster runner? Justify your response. PRT What are the coordinates of the point on the line where t 5? 7 rian has started to collect minion figurines. He has bought minion figurines for $8. oordinates PRT What do the coordinates of the point you found in part specifically tell you about Pamela s progress at that point in the trip? PRT ssuming cost is proportional to the number of minion figurines, write an equation relating the cost, c, to the number of minion figurines, m. Equation ndrew types.5 words per minute. What 9 ordered pair on a graph of his typing rate would represent the number of minutes it would take him to type 00 words? PRT rian has saved $ to spend on his minion figurine obsession. How many minion figurines can he purchase? nswer figurines nswer (, )

5 0 crew of highway workers paved 7 5 mile in hour. If they work at the same rate, what portion of a mile will they pave in one hour? The line graphed below represents the cost of movie tickets at a local cinema. nswer For every person who has the flu, there are 6 people who have only flu-like symptoms. If a doctor sees 56 patients, determine how many patients only have flu-like symptoms. PRT ased on this graph, which of the following statements is true? It costs $0 for movie tickets. It costs $90 for 6 movie tickets. It costs $50 for 0 movie tickets. It costs $0 for movie tickets. PRT What number represents the constant of proportionality for the line? nswer patients Jonathan reads.5 magazines per day. What ordered pair on a graph of his reading rate would represent the number of days it would take him to read 0 magazines? nswer PRT What ordered pair represents the unit rate? nswer nswer (, )

6 The cost of apples in a grocery store is directly proportional to the number of apples purchased. Michelle paid $.5 for 6 apples. PRT If c represents the cost, in dollars, and n represents the number of apples purchased, write an equation that best represents this relationship. 6 No calculator allowed for the following questions PRT : Solve each proportion. x 9 0 PRT : 0 5 x Equation PRT Michelle wants to make apple cider. If Michelle has $6.80, how many apples could she purchase? PRT : 0 5 p PRT : 7 n 5 nswer apples The cost of - movie tickets is shown in the table below. 7 PRT : Write each fraction as a decimal and state whether it is terminating or repeating. PRT : 7 8 Number of Tickets (x) 5 ost in dollars (y) PRT : 6 0 PRT : PRT Plot these points on the graph below and connect them with a straight line. 8 person who is feet tall stands next to a telephone pole. The person casts a shadow that is feet long, and the telephone casts a shadow that is 8 feet long. How tall is the telephone pole? PRT What are the coordinates of the point on the line where x? oordinates PRT Explain on the lines below what the coordinates of the point you found in part specifically mean in the context of the problem. 9 Nicole is 5 feet tall and has an 8-foot shadow. Julie is standing next to Nicole and has a 0-foot shadow. How tall is Julie?