ExamView - ALGEBRA 1 MID-TERM EXAM REVIEW SEMESTER 1 .

Name: Class: Date:ID: AALGEBRA 1 MIDTERM EXAM REVIEW SEMESTER 1 CHAPTERS 1-5Multiple ChoiceIdentify the choice that best completes the statement or answers the question.1Solve p 6 16.A.B.2C. p 10D. p –10p 22p –22Solve –14 s 32.A. s –18B. s 463C. s –46D. s 18A toy company's total payment for salaries for the first two months of 2005 is 21,894. Write and solve anequation to find the salaries for the second month if the first month’s salaries are 10,205.A. 10,205 x 21,894The salaries for the second month are 32,099.B. 10,205 x 21,894The salaries for the second month are 10,947.C. 10,205 x 21,894The salaries for the second month are 11,689.D. 10,205 x 21,894The salaries for the second month are 21,894.4Solvem 48.765A. m 6 7C. m 55B. m 336D. m 41Solve39b 59.A. b 59 9C. b 7B. b 20D. b 17736If 4x 32, find the value of 35 5x.A. 5B. –37C. 3D. –5Solve 44 14 2a.A. a 15B. a 29C. a –15D. a –291

Name:8ID: ASolve 43a 10 26a 27.A. a 17B. a 19C. a 17D. a 1If 8y – 8 24, find the value of 2y.A. 11B. 810C. 2D. 24The formula p nc e gives the profit p when a number of items n are each sold at a cost c and expenses eare subtracted. If p 3750, n 3000, and e 900, what is the value of c?A. 1.25B. 1.5511C. 0.95D. 0.80Solve 50q 43 52q 81.A. q 19B. q 191213C. q 38D. q 38Solve 4a 7 3a 3 2a.A. a 4C. a 1 3B. a 10D. a 3 311Solve 6m 6 8m 5 2m 1. Tell whether the equation has infinitely many solutions or no solutions.A. No solutionsB. Infinitely many solutions14C. Only one solutionD. Two solutionsA professional cyclist is training for the Tour de France. What was his average speed in miles per hour if herode the 120 miles from Laval to Blois in 4.7 hours? Use the formula d rt , and round your answer to thenearest tenth.A. 25.5 mphB. 564.0 mph15C. 70.4 mphD. 115.3 mphThe formula for the resistance of a conductor with voltage V and current I is r A. I VrIB. V r16C. V IrrD. V ISolve 7 x 7 7.A. x 0B. x –6C. x –6 or x –8D. x 0 or x –142VI. Solve for V.

Name:17ID: ASolve 6x 9 5 2.A. No solutionB. x 18C. x 116D. x 1The fuel for a chain saw is a mix of oil and gasoline. The ratio of ounces of oil to gallons of gasoline is8:10. There are 50 gallons of gasoline. How many ounces of oil are there?A. 62.5 ouncesB. 1.6 ounces1920C. 40 ouncesD. 46 ouncesRamon drives his car 150 miles in 3 hours. Find the unit rate.A.B.C.D.Ramon drives 30 miles per hour.Ramon drives 50 miles per hour.Ramon drives 1 mile per 50 hours.Ramon drives 150 miles per 3 hours.Alicia runs for exercise. If Alicia runs 30 miles in six days, how many feet does she run per day?A. 26,400 ftB. 8,800 ft21C. 158,400 ftD. 22,629 ftWhen Amy roller-skates, she moves 110 yards per minute. What is her speed in miles per hour? Roundyour answer to the nearest hundredth.A. 1.25 mi/hrB. 3.75 mi/hr22C. 0.42 mi/hrD. 3226.67 mi/hrEvan’s car gets approximately 20 miles per gallon. How many feet can he drive with 1 pint of gas?A. 4,400 ftB. 13,150 ft23C. 26,400 ftD. 13,200 ftGiovanni can read 250 words per minute. If there are approximately 400 words on a page, about how manypages can he read in 2 hours?A. 833 pagesB. 38 pages2483C. 75 pagesD. 150 pagesDerek’s Great Dane puppy is growing quickly. He gains an average of 40 ounces per week. At this rate,about how many pounds will he gain in 1 year?A. 173 lbB. 240 lbC. 130 lbD. 120 lb3

Name:25Solve the proportionID: A5 x .6 42A. x 36B. x 50.426Solve the proportionC. x 35D. x 0.023 x 9 .459A. x 15B. x 33.827C. x 126D. x 14Find the value of MN if AB 21 cm, BC 16.8 cm, and LM 28 cm.ABCD LMNOA. 23.8 cmB. 22.4 cm28C. 12.6 cmD. 22.8 cmOn a sunny day, a 5-foot red kangaroo casts a shadow that is 7 feet long. The shadow of a nearbyeucalyptus tree is 35 feet long. Write and solve a proportion to find the height of the tree.tree's shadow kangaroo's shadow ; 25 feettree's heightkangaroo's heighttree's shadow kangaroo's shadow ; 175 feetB.tree's heightkangaroo's heightkangaroo's heightkangaroo's shadow C.; 245 feetkangaroo's shadowkangaroo's heighttree's shadow tree's shadow ; 49 feetD.tree's heighttree's heightA.29Find 55% of 125.A. 70.25B. 227.2730C. 68.75D. 6875What percent of 74 is 481? If necessary, round your answer to the nearest tenth of a percent.A. 6.5%B. 15.38%C. 650%D. 550%4

Name:31ID: A66 is 56% of what number? If necessary, round your answer to the nearest hundredth.A. 117.86B. 1.1832C. 36.96D. 0.85According to the United States Census Bureau, the United States population was projected to be293,655,404 people on July 1, 2004. The two most populous states were California, with a population of35,893,799, and Texas, with a population of 22,490,022. About what percent of the United Statespopulation lived in California or Texas? Round your answer to the nearest percent.A. 12%B. 20%33C. 37%D. 8%Aaron works part time as a salesperson for an electronics store. He earns 6.75 per hour plus a percentcommission on all of his sales. Last week Aaron worked 17 hours and earned a gross income of 290.63.Find Aaron’s percent commission if his total sales for the week were 3,350. If necessary, round youranswer to the nearest hundredth of a percent.A. 0.05%B. 6%34C. 1.03%D. 5.25%Hidemi is a waiter. He waits on a table of 4 whose bill comes to 69.98. If Hidemi receives a 20% tip,approximately how much will he receive?A. 84.00B. 14.0035C. 3.50D. 13.55Find the result when 28 is decreased by 25%.A. 35B. 2136C. 7D. 3Describe the solutions of 6 y 10 in words.A.B.C.D.The value ofThe value ofThe value ofThe value ofy is a number greater than 4.y is a number equal to 3y is a number less than or equal to 3.y is a number less than 4.5

Name:37ID: AGraph the inequality m –3.4.A.B.C.D.38Write the inequality shown by the graph.A. m –3B. m –339C. m –3D. m –3To join the school swim team, swimmers must be able to swim at least 500 yards without stopping. Let nrepresent the number of yards a swimmer can swim without stopping. Write an inequality describing whichvalues of n will result in a swimmer making the team. Graph the solution.A. n 500B. n 500C. n 500D. n 5006

Name:40ID: ASolve the inequality n 6 –1.5 and graph the solutions.A. n –7.5B. n –7.5C. n 4.5D. n 4.54142Solve the inequality 2 f –8 and graph the solutions.A.f 4B.f 4C.f –4D.f –4Marco’s Drama class is performing a play. He wants to buy as many tickets as he can afford. If tickets cost 2.50 each and he has 14.75 to spend, how many tickets can he buy?A. 4 ticketsB. 6 tickets43C. 5 ticketsD. 0 ticketsWhat is the greatest possible integer solution of the inequality 2.847x 15.168?A. 5.33B. 6C. 5D. 47

Name:44ID: ASolve the inequality z 8 3z –4 and graph the solutions.A. z –3B. z 1C. z 1D. z –345Mrs. Williams is deciding between two field trips for her class. The Science Center charges 135 plus 3per student. The Dino Discovery Museum simply charges 6 per student. For how many students will theScience Center charge less than the Dino Discovery Museum?A. More than 45 studentsB. Fewer than 45 students46C. 132 or more studentsD. 132 or fewer studentsSolve the inequality 8 ( z 6) 8z 7.A. no solutions9B. z 2 1647C. {all real numbers}7D. z 3 16Solve and graph the solutions of the compound inequality 1 3x 2 10.A. 1 x AND x 4B. 1 x AND x 4C. 1 x AND x 4D. 1 x AND x 48

Name:48ID: ASolve and graph the compound inequality.s 4 1.5 OR 3 s 7A. s 2.5 OR s 4B. s 2.5 OR s 4C. s 2.5 OR s 4D. s 2.5 OR s 449Write the compound inequality shown by the graph.A. x 3 AND x 5B. x 5 AND x 3C. x 5 OR x 3D. x 5 OR x 39

Name:50ID: AJamie throws a ball up into the air. Sketch a graph for the situation that describes the distance of the ballfrom the ground at every second since it was thrown up. Tell whether the graph is continuous or discrete.A.C.The graph is continuous.The graph is continuous.B.D.The graph is continuous.The graph is continuous.10

Name:51ID: AWrite a possible situation for the graph.A. A pool is filled with water, and people are having fun swimming and jumping in and outof the pool.B. A pool is filled with water using one valve. Then, immediately after the pool is filled toits capacity, the pool needs to be emptied because of some problems. The pool is refilledright after it is completely empty, using two valves this time.C. A pool is filled with water. A little time after the pool is filled to its capacity, the poolneeds to be emptied because of some problems. Then, the pool is refilled immediately atthe same rate as before.D. A pool is filled with water using one valve. A little time after the pool is filled to itscapacity, the pool needs to be emptied because of some problems. Then, the pool isrefilled immediately, using two valves this time.52Give the domain and range of the relation.xy4961300–5–9A. D: {–5, 4, 6}; R: {–9, 9, 13}B. D: {–5, 0, 4, 6}; R: {–9, 0, 9, 13}C. D: {4, 6, –5, 9, 13, –9}; R: {0}D. D: {–9, 0, 9, 13}; R: {–5, 0, 4, 6}11

Name:53Give the domain and range of the relation.A. D: 2 x 6; R: 4 y 7B. D: 1 x 6; R: 1 y 75455C. D: 1 x 7; R: 1 y 6D. D: 0 x 7; R: 1 y 7Give the domain and range of the relation. Tell whether the relation is a function.A. D: –3 x 3; R: –2 y 2The relation is not a function.B. D: –3 x 3; R: –2 y 2The relation is a function.ID: AC. D: –2 x 2; R: –3 y 3The relation is not a function.D. D: –2 x 2; R: –3 y 3The relation is a function.Identify the independent and dependent variables in the situation.The amount of electricity used for air conditioning in homes increases as the temperature increases.A. Independent: amount of electricity used; Dependent: temperatureB. Independent: temperature; Dependent: amount of electricity used56Identify the independent and dependent variables in the situation.As Kyoko works more hours, her total pay increases.A. Independent: hours worked; Dependent: total payB. Independent: total pay; Dependent: hours worked12

Name:57For f(x) 8x 11 , find f(x) when x 4.A. 120B. 4358ID: AC. 51D. –21Graph the function y 2x 1.A.C.B.D.13

Name:59ID: AGraph the function y x 2 2.A.C.B.D.14

Name:60ID: AThe temperature of air in a room that began at 55 F is increasing by 8 F per hour. Write a function thatdescribes the temperature of the air over time. Graph the function to show the temperatures over the first 10hours.A. y 8xC. y 8x 55B. y 8x 47D. y 0.8x 5515

Name:6162ID: AGraph a scatter plot using the given data.x3652y4.56.56.53.576.5A.C.B.D.44.5Find the 20th term in the arithmetic sequence –4, 1, 6, 11, 16,.A. 96B. 91C. 95D. 72168814

Name:63ID: AIdentify each graph as being a non-linear function, linear function, or not a function.Graph AA. Graph A: non-linear functionGraph B: not a functionGraph C: not a functionB. Graph A: non-linear functionGraph B: linear functionGraph C: not a functionGraph BGraph CC. Graph A: non-linear functionGraph B: linear functionGraph C: linear functionD. Graph A: not a functionGraph B: not a functionGraph C: linear function17

Name:64ID: ATell whether the function y 5x 3 is linear. If so, graph the function.A.C.B.D. Not a linear function.18

Name:65Find the x- and y-intercepts.A. x-intercept: 5, y-intercept: 10B. x-intercept: 10, y-intercept: 56667C. x-intercept: –10, y-intercept: 5D. x-intercept: 10, y-intercept: –5Find the x- and y-intercepts of x 2y 8.A. x-intercept: 11, y-intercept: 3B. x-intercept: –8, y-intercept: 4ID: AC. x-intercept: –8, y-intercept: 3D. x-intercept: 11, y-intercept: 4Find the slope of the line.A.C. 5233B. 32D.1932

Name:68Tell whether the slope of the line is positive, negative, zero, or undefined.A. undefinedB. positive6970ID: AC. zeroD. negativeFind the slope of the line described by x – 3y –6.A. 3C. 3B. 3D.113Tell whether the equation x 4y 2 represents a direct variation. If so, identify the constant of variation.A. Direct variation, k 41B. Direct variation; k 4C. Direct variation, k –2D. Not a direct variation.20