MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Transcription

1 Exam 4-8 Dec 11 Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Use front end rounding to estimate the sum or difference. Then find the exact answer to the problem 1) Sheri wanted to know the total number of hours she worked this week. Her time card indicated the following hours: Monday, 5.68 hours; Tuesday, 10.2 hours; Thursday, 5.01 hours. How many hours has Sheri worked? A) Estimate: 21 hours; exact: hours B) Estimate: 19 hours; exact: hours C) Estimate: 20 hours; exact: hours D) Estimate: 21 hours; exact: hours 1) Identify the pairs of complementary or supplementary angles, as indicated. 2) Supplementary 2) A) AOD & COB; AOC & DOB B) AOC & AOD; AOD & DOB C) AOC & AOD; AOD & DOB; DOB & COB; COB & AOC D) COB & BOD; BOD & AOD ) Complementary ) A) BCD & DCE; ACF & FCE B) BCE & ECA C) FCB & FCA; BCD & DCA D) ECF & DCE 1

2 Solve the problem. 4) A box of instant brownies has the list of ingredients shown in the table. Use this information to find the amount of the stated ingredient you would need to make the indicated number of servings. 4) Ingredient Water Oil Nuts Brownie Mix For 12 Servings tablespoons 1 4 cup 1 2 cup cups Amount of water for 16 servings A) tablespoons B) 1 1 cups C) 1 1 ounces D) 4 tablespoons 5) A machine can fill 6750 boxes of cereal in 0.9 hour. How many boxes of cereal can it fill per hour? 5) A) 7500 boxes/hour B) 6750 boxes/hour C) 6751 boxes/hour D) 6075 boxes/hour 6) Jonathan estimated his GPA would be.09. When grades came out, he saw that his GPA was.02. Did he receive better grades than his estimate or worse? A) Worse B) Better 7) Suppose your job is to take phone orders for automotive parts. Use the table below to answer the following questions. Write the correct part number that matches what you hear the customer say on the phone. 6) 7) Part Number A B C D E F G H I Size in inches "Can you rush me the 1-thousandth inch size?" A) B B) I C) A D) G 2

3 8) Use the floor plan shown to complete the exercise. On the plan, one inch (abbreviated in.) represents four feet. What is the length and width of the master bedroom? 8) A =.1 in. D = 2.5 in. B = 1.7 in. E = 4.9 in. C =.1 in. A) 58.8 inches, 7.2 inches B) 1.2 feet, 0.8 foot C) 19.6 feet, 12.4 feet D) 7.2 inches, 58.8 inches Multiply. 9) (-.6)(-12.1) 9) A) B) 4.56 C) 15.7 D) ) (-2.17)(-8.7) 10) A) B) C) D) ) ) A) B) C) D) For the given figure, find the ratio of the length of the longest side to the length of the shortest side. Write the ratio as a fraction in lowest terms. 12) 12) A = 0.10 yard B = 0.08 yard C = 0.10 yard D = 0.08 yard A) 4 5 B) 5 2 C) 5 4 D) 8 5

4 1) 1) A = meters D = meters B = 7 8 meters E = 4 meters C = meters A) 1 B) C) D) 1 Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary. 14) 4 x = A) 50 B) 5 C).2 D) ) Use a proportion to solve the problem. 15) The 5th hole at the Riverwoods Golf Course is 00 yards long. How long would it be on a model with a scale of 1.5 inches to 100 yards? A) 150 inches B) 4.5 inches C) 2.25 inches D) 45 inches 16) On a map, the length of a nature-center trail is 4.6 centimeters. If the scale is centimeters to 7 kilometers, what is the actual length of the trail? A) 60.7 kilometers B) 56.7 kilometers C) 11.4 kilometers D) 57.7 kilometers 15) 16) Divide. 17) ) A) 0.61 B) C) 6.1 D) -60 4

5 Use the properties of parallel lines to solve the problem. 18) Line p is parallel to line q. If 8 measures 46, find the measure of each angle. 18) A) 2, 4, 6 all measure 46 ; 1,, 5, 7 all measure 44 B) 5, 6, 7 all measure 46 ; 1, 2,, 4 all measure 14 C) 2, 4, 6 all measure 46 ; 1,, 5, 7 all measure 14 D) 2, 4, 6 all measure 46 ; 1,, 5, 7 all measure 144 Classify the angle as acute, obtuse, straight, or right. 19) 19) A) Right B) Obtuse C) Straight D) Acute Round the money amount to the specified place. 20) $ to the nearest dollar 20) A) $2 B) $1000 C) $ D) $2000 Use the bar graph to solve the problem. 21) The bar graph below shows the numbers of various colors of cars owned by the employees of a certain business. Which two pairs of cars are in the ratio 2? 21) A) Tan to Green and Black to White B) Yellow to Green and Tan to White C) Tan to Black and Black to Red D) Tan to Green and White to Red 5

6 Perform the indicated operations and simplify. 22) 0.2(-4) ) A) B) C) D) Round the number to the place indicated. 2) Round to the nearest ten-thousandth: ) A) B) 12.8 C) D) Add or subtract as indicated. 24) 70 + ( ) 24) A) B) C) D) Write the following as a rate in lowest terms. 25) 217 miles on 42 gallons 25) 7 miles 217 miles 1 miles 1 miles A) B) C) D) 6 gallons 6 gallons 6 gallons 42 gallons Decide if the answer is reasonable or unreasonable by using front end to estimate the answer. If the exact answer is not reasonable, find the correct answer. 26) = ) A) Reasonable B) Unreasonable, should be C) Unreasonable, should be 6.4 D) Unreasonable, should be 6.4 Identify the digit with the given place value. 27) hundredths A) 2 B) 200 C) 5 D) ) Find the missing measurement in the figure. 28) 28) a = 0.91 in. b = 1.21 in. c = 6 in. A) z = 2.58 in. B) z =.58 in. C) z = 4.18 in. D) z =.88 in. Decide whether to write <, >, or = between the pair of numbers. 1 29) 0.6 A) < B) > C) = 29) 6

7 Arrange in order from smallest to largest. 0) , 8.91, 8.091, ) A) , 8.91, 8.091, B) , 8.091, , 8.91 C) 8.91, , 8.091, D) 8.091, , 8.91, Change the measurements on this scale drawing to decimals and round them to the nearest tenth of an inch. 1) 1) a in. b 16 in. c 1 16 in. d 1 8 in. e in. length d is: A) 0.4 in. B) 0.1 in. C) 0. in. D) 0.2 in. Find the perimeter of the specified triangle. Assume the triangles are similar. 2) Find the perimeter of the triangle on the right. 2) 41.4 m 10.5 m A) m B) 22.5 m C) m D) m Find the best buy (based on cost per unit). ) Brand A: 48 oz for $22.56 Brand B: 42 oz for $18.48 A) Equal value B) Not enough information C) Brand A D) Brand B ) 7

8 The pair of triangles is congruent. List the corresponding angles and the corresponding sides. 4) 4) A) 1 and 2; and 4; 5 and 6; PQ and ST; PR and TU; QR and SU B) 1 and 6; 2 and 4; and 5; PQ and SU; PR and ST; QR and TU C) 1 and 6; 2 and 5; and 4; PQ and ST; PR and SU; QR and TU D) 1 and 6; 2 and 4; and 5; PQ and ST; PR and TU; QR and SU Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions. 5) 8 minutes to hours 5) 8 A) B) 8 2 C) D) Write the decimal in words. 6) ) A) Five and three hundred sixty-two tenths B) Five and three hundred sixty-two millionths C) Five and three hundred sixty-two thousandths D) Five and three hundred sixty-two hundred-thousandths Find the cross product and determine whether the proportion is true or false. 2 7) = 8 7 7) 1 4 A) 14 = 14; true B) ; false C) 6 = 6; true D) ; false Write the proportion. 8) $28 is to 21 bottles as $8 is to 6 bottles. 8) $28 A) 21 bottles = $8 $21 B) 6 bottles 28 bottles = $8 6 bottles C) $28 8 bottles = $21 6 bottles D) $28 6 bottles = $8 21 bottles You are on a shopping trip. The store will round the amount you pay for each item to the nearest cent. Find the amount you will pay in each instance. 9) Printer ribbons are 6 ribbons for $1.5, so one ribbon is $ You pay: 9) A) $2.26 B) $2.255 C) $2.6 D) $2.25 8

9 Round to the indicated place. 40) A student has a test average of Round this result to the ones place. 40) A) 77 B) 77.7 C) 77.8 D) 78 9