8th Grade Thanksgiving Packet Student Name: Teacher Name: Jalethea Howard Date: Score: 1 )) Solve for z. A) z = 4 B) z = 6 C) z = 8 D) z = 4.8 5 z 8 = 3 2 2 )) Find the measure of G. A) 50 B) 54 C) 60 D) 71 1 of 23 11/20/15, 10:04 AM

3 )) You are going to roll two dice. Let the variable x = the sum of the numbers rolled. What is the probability that x = 9? A) 1 12 B) 1 9 C) 3 4 D) 5 12 4 )) Identify the linear graph. A) 2 of 23 11/20/15, 10:04 AM

B) C) 3 of 23 11/20/15, 10:04 AM

D) 5 )) Identify the reflection rule on a coordinate plane that verifies that triangle A(-2,3), B(-3,-2), C(-10,0) and triangle A'(2,3), B'(3,-2), C'(10,0) are congruent when reflected over the y-axis. A) (x, y) (-x, -y) B) (x, y) (x, -y) C) (x, y) (-x, y) D) the triangles are not congruent 6 )) Which relation describes a function? What makes it a function? A) {(-2,3),(-2,5),(-6,7)} Each member of the range is unique. B) {(2,3),(3,3),(3,4)} Each member of the domain and range is positive. C) {(2,3),(3,3),(3,4)} Each member of the domain and range is a real number. D) {(-2,3),(-3,3),(-4,3)} Each member of the domain is assigned exactly one member of the range. 4 of 23 11/20/15, 10:04 AM

7 )) What kind of transformation does the graph show? A) flip B) rotation C) slide D) translation 8 )) Δ ABC is isosceles. Angles B and C are congruent. The m A = 40, m B = (3x + 1). Find x. A) 13 B) 23 C) 46.3 D) 70 9 )) What is the solution to the system of equations? A) (4, 3.5) B) (2, 1 / 2 ) C) (2, -1) D) ( 1 / 2, 2) x + 2 y = 3 3 x - 2 y = 5 5 of 23 11/20/15, 10:04 AM

1 0 )) x y 0 2 5 3 13 2 6 11 7 The table represents a linear function. Which values complete the table? A) x = 1, y = 21 2 B) x = 1, y = 25 2 C) x = 2, y = 21 2 D) x = 2, y = 25 2 1 1 )) Is the height of a rocket a function of time? Justify. A) No; The atmosphere is constantly changing. B) No; At any given time wind resistance can vary. C) No; At any given time, the rocket's speed can vary. D) Yes; At any given time the rocket is at exactly one height. 1 2 )) The planet Mars has two moons Phobos and Deimos. Phobos has a mass of 10.8 10 15 kilograms, and Deimos has a mass o 2.0 10 15 kilograms. How much greater is the mass of Phobos than the mass of Deimos? A) 8.8 10 15 kilograms B) 8.8 10 16 kilograms C) 9.2 10 14 kilograms D) 9.2 10 15 kilograms 13 )) Identify the linear equation. A) y = lxl + 5 B) y = 1 2 x + 3 C) y = x 2-4 D) y = 3 4 x2 1 4 )) In the function y = 15.00x + 5, y represents the cost of a ticket to the fair and x represents the number of tickets purchased. Ho much does the cost increase for every ticket purchased? A) x B) $5.00 6 of 23 11/20/15, 10:04 AM

C) $15.00 D) $20.00 7 of 23 11/20/15, 10:04 AM

20 1 5 )) Evaluate: 5 2-3 A) 1 2 B) 2 C) 32 5 D) 32 16 )) Solve the system. A) (5, 0) B) (0, 5) C) (-5, 0) D) (3, -10) 0.. 4 x - 0.. 1 y = 2 0.. 2 x + 0.. 5 y = 1 1 7 )) The graphs represent Daniel's ride to the ballpark. Considering both graphs, which statement is FALSE? A) Daniel's speed decreased as he got closer to the park. B) Daniel made no additional stops on his way to the ballpark. C) The distance to the ballpark is greater on the speed/time graph. D) Daniel's ride to and from the park is shown on the speed/distance graph. 1 8 )) 8 of 23 11/20/15, 10:04 AM

Which equation is the BEST fit for the data in the graph? A) y = x + 2 B) y = 2x + 1 C) y = x - 1 2 D) y = 1 2 x - 1 1 9 )) 9 of 23 11/20/15, 10:04 AM

I n p u t O u t p u t 1 x 5 3 13 y Use the graph to complete the input-output table. List the answer in the format of x,y. A) 1, 4 B) 2, 2 C) 2, 3 D) 2, 5 10 of 23 11/20/15, 10:04 AM

2 0 )) Foreign Languages J u n i o r s S e n i o r s French 32 20 German 25 30 Latin 18 15 Spanish 58 45 The table shows the break down of the number of juniors and seniors taking foreign languages and which foreign language they a taking. What is the probability that a junior is taking Spanish? A) 0.239 B) 0.436 C) 0.547 D) 0.761 2 1 )) The graph represents part of Brooke's trip to work. During what time period is her speed decreasing? A) between 0 and 10 minutes B) between 20 and 25 minutes C) between 10 and 15 minutes D) between 15 and 20 minutes 11 of 23 11/20/15, 10:04 AM

2 2 )) Which ordered pair is a solution to the equation y = 6x - 4? A) (2, 1) B) (1, 2) C) (2, 6) D) (1, 1) 2 3 )) Joanne is charged a base rate of $40.00 each month for her cell service. She upgrades her phone and chooses to make 18 monthly payments of $25 to pay for her new Samsung. She must also pay 25 cents for each text that she sends. Which function represents Joanne's phone charges each month for the next 18 months? A) y =.25x + 65 B) y =.25x + 40 C) y =.25x + 72 D) y = 25x + 40 2 4 )) A pool measures 12.3 feet by 16.6 feet. If the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the po (round to nearest tenth) A) 1,306.8 ft 3 B) 1,401.2 ft 3 C) 1,891.1 ft 3 D) 3,634.4 ft 3 12 of 23 11/20/15, 10:04 AM

2 5 )) A 12-ounce soda can is 5 inches tall and 2.5 inches across. How much soda can it hold if it is completely full? Round your answer to the nearest tenth of a cubic inch. A) 24.5 cubic inches of soda B) 39.3 cubic inches of soda C) 65.4 cubic inches of soda D) 98.1 cubic inches of soda 2 6 )) Simplify: A) h -3 B) h 3 C) h 7 D) h 10 (h 2 ) 5 2 7 )) If triangle EFG is slid five units to the left, what are be the new coordinates of vertex F? A) (-7, 4) B) (-2, -1) C) (-2, 9) D) (5, 4) 2 8 )) Which situation is not an example of a linear function? A) The distance traveled if a car is driving at a constant rate of 60 miles per hour. B) The cost of the bill if a cell phone company charges an initial fee of $25 plus $45 per month. C) The amount of cake each person gets to eat if a cake is divided equally among the guests at a party. D) The amount of time spent grading papers if a teacher grades one paper every 8 minutes and takes a 10 minute break. 2 9 )) A machine can fill a box with twenty pencils in 30 seconds. How many boxes can the machine fill in 2 hours? A) 2 boxes B) 120 boxes C) 240 boxes 13 of 23 11/20/15, 10:04 AM

D) 2400 boxes 14 of 23 11/20/15, 10:04 AM

3 0 )) Data from Previous Truck Head Gaskets Temperature ( C ) Damage Index 12 11 13 8 14 8 16 2 18 2 19 2 19 2 19 1 19 1 20 0 21 4 21 0 21 0 Scientists believe there is a link between ambient temperature and damage to a head gasket on a car. Using the provided information draw a scatterplot of the data. If the forecast was for temperatures at 5 Celsius, what recommendation would you give to a truck driver who wanted to leave on trip? Justify your recommendation. A) I would recommend that he goes as there were many more temperatures with no damage than with damage. B) I would recommend that he goes as lower temperatures have a strong positive correlation, therefore the lower the temperature the less damage is caused. C) I would recommend that he does not go as lower temperatures have a strong negative correlation, therefore the lower temperature the more damage is caused. D) I would recommend that he does not go as higher temperatures have a strong positive correlation therefore the higher the temperature the more damage is caused. 3 1 )) A state park has two pools. The olympic size pool holds 8.12 x 10 5 gallons of water and the smaller pool holds 5.27 x 10 5 gallons of water. What is the combined capacity of the pools? A) 1.339 x 10 4 gallons B) 1.339 x 10 6 gallons C) 13.39 x 10 10 gallons D) 1.339 x 10 10 gallons 15 of 23 11/20/15, 10:04 AM

32 )) Multiply and give the answer in scientific notation: ( 2.. 3 x 1 0-3 ) ( 3 x 1 0 8 ) A) 6.9 x 10 5 B) 6.9 x 10 11 C) 6.9 x 10-5 D) 6.9 x 10 24 3 3 )) Which graph is an example of a function? A) B) C) D) 3 4 )) 16 of 23 11/20/15, 10:04 AM

Describe the transformation of ΔABC. A) rotation of 90 about the origin B) rotation of 60 about the origin C) rotation of 180 about the origin D) rotation of 270 about the origin 3 5 )) 17 of 23 11/20/15, 10:04 AM

Which of the statements about the diagram is INCORRECT? A) 1 2 B) BE ED C) BE CE D) CE EA 18 of 23 11/20/15, 10:04 AM

3 6 )) Which graph has a slope of 3 and passes through the point ( 2, 5)? A) B) 19 of 23 11/20/15, 10:04 AM

C) D) 3 7 )) 20 of 23 11/20/15, 10:04 AM

What is the difference of the distances of E to G and C to G? A) 2 B) 3 C) 4 D) 5 3 8 )) 21 of 23 11/20/15, 10:04 AM

Owen and Rose each thought of a linear function. Owen's function is y = 3 x + 1, and Rose's function is shown in the graph. 4 Which statement is true? A) Owen s function has both a greater slope and a greater y-intercept. B) Rose s function has both a greater slope and a greater y-intercept. C) Rose s function has a greater slope, and Owen s function has a greater y-intercept. D) Owen s function has a greater slope, and Rose s function has a greater y-intercept. 22 of 23 11/20/15, 10:04 AM

3 9 )) What kind of triangle is shown here? A) Right B) Obtuse C) Acute D) Equilateral 4 0 )) What type of data is represented in this scatterplot? A) bivariate B) direct C) indirect D) univariate 23 of 23 11/20/15, 10:04 AM