Math 8 Name _________________________________________________________ Final Exam Review – Multiple Choice Date _________________________________________________ HR _____ 1. Clark surveyed several people from different companies to find the number of annual vacation days they earn and the number of years they have been working for that company. The results are shown in the scatter plot below. Based on the scatter plot, about how many vacation days would an employee working for 12 years expect to earn? A. 20 B. 28 C. 36 D. 40 2. The number of vocabulary words Tyrell remembers weeks after taking his vocabulary test is shown in the scatter plot.
Transcript
Math 8 Name _________________________________________________________
Final Exam Review – Multiple Choice Date _________________________________________________ HR _____
1. Clark surveyed several people from different companies to find the number of annual vacation days they earn and the number of years they have been working for that company. The results are shown in the scatter plot below.
Based on the scatter plot, about how many vacation days would an employee working for 12 years expect to earn?
A. 20B. 28C. 36D. 40
2. The number of vocabulary words Tyrell remembers weeks after taking his vocabulary test is shown in the scatter plot.
Based on the scatter plot, which conclusion can be made?
A. Tyrell remembers the same number of vocabulary words each week.B. The more time that goes by, the more vocabulary words Tyrell remembers.C. The more time that goes by, the fewer vocabulary words Tyrell remembers.D. There is no relationship between time and the number of vocabulary words Tyrell remembers.
3. During a particular week at Crawford General Hospital, a nurse used this scatter plot to record the lengths and weights of nine newborn babies just after birth.
The nurse wants to describe the relationship between the lengths and weights of these nine newborn babies. Which statement BEST describes the data?
A. There is no relationship.B. There is a nonlinear relationship.C. There is a negative linear relationship.D. There is a positive linear relationship.
4. The members of Rick’s intramural team recorded their heights and their weights in the table below. Rick wanted to determine the relationship between the heights and the weights of these team members, so he drew a scatter plot and a line of best fit.
Which graph shows the most appropriate line of best fit?
A. B.
C. D.
5. Maria conducts a survey of the students in two classes in her school. She asks each person if he or she prefers to do homework before or after dinner. Her results are in the table below.
What is the relative frequency that a student who is chosen at random from either class prefers to do homework after dinner?
A. 28%B. 32%C. 36%D. 64%
6. The students at a middle school were surveyed about their favorite type of book. The results are shown in the table below.
Which statement is the MOST accurate conclusion about the data?
A. Mystery is the most popular type of book in all three grades.B. Science Fiction is the least popular type of book in all three grades.C. More sixth graders prefer Science Fiction books than Mystery or Biography books.D. More eighth graders prefer Biography books than Mystery or Science Fiction books.
7. The graphs of two equations are shown.
Which statement is true about the solution of this system of equations?
A. The solution is a line.B. The solution is a point.C. There are no solutions.D. There are infinitely many solutions.
8. Which ordered pair is a solution to the system of equations?
2x + y = 7x + 3y = 11
A.
B.
C.
D.
9. Jan had $100 in her bank account. She adds $15 to her account each month. Maura had $130 in her bank account. She adds $10 to her account each month. A system of linear equations is used to find how many monthly deposits will be needed for the accounts to have equal balances. Which graph correctly depicts this system of equations and its solution?
A. B.
C. D.
10. Jessica is solving the system of equations shown below.
y = 3x + 2y = 2x +7
If she graphs this system on a coordinate plane, how could she interpret the solution of this system?
A. The system will be parallel.B. The system will be one line.C. The system will intersect at one point.D. The system will intersect at two different points.
11. The Math Club raised money for its spring banquet by washing vehicles. The club charged $3 for a car and $5 for a truck. The club earned a total of $510 for washing 122 vehicles. How many cars did the club wash?
A. 86B. 72C. 50D. 36
12. The diagram below illustrates a 5-way intersection of streets in a city.
A construction crew will soon be working on areas 1 and 2 to improve the angle at which the streets intersect. What is the relationship between and ?
A. They are adjacent.B. They are complementary.C. They are supplementary.D. They are vertical.
13. In the “H” below, four angles are labeled.
If the measure of is , then what is the approximate measure of ?
A.
B.
C.
D.
1 2
3 4
14. The figure below shows a handrail for a staircase.
Which angle forms a pair of corresponding angles with ?
A.
B.
C.
D.
15. If two parallel lines are cut by a transversal, which word describes any pair of corresponding angles?
A. verticalB. congruentC. supplementaryD. complementary
16. A playground equipment company is making this slide:
What is the measure of the angle at the top of the slide?
A.
B.
C.
D.17. What is the measure of ?
A.
B.
C.
D.
18. In the diagram below, lines m and n are parallel, and the measure of is .
Which other angle also must have a measure of ?
A.
B.
C.
D.
19. Jerry needs to build a ramp with a horizontal length of 14 feet for a doorway that is 2 feet off the ground. A sketch of the ramp is shown below.
Which equation shows the relationship of the ramp length, , to the lengths of the legs of the right triangle?
A.
B.
C.
D.
20. Ron’s house is 5 kilometers north of his school. Ron’s school is 10 kilometers east of City Hall. What is the distance in kilometers between Ron’s house and City Hall?
A. between 11 and 12B. between 12 and 13C. between 13 and 14D. between 14 and 15
21. The figure below shows a computer monitor.
How long is the diagonal?
A. 7 in. B. C. 17 in. D. 23 in.
22. To support a new television antenna, a local cable company attached cables from the top of the antenna to hooks in the ground, as shown.
What is the height of the antenna?
A. 18 feetB. 24 feetC. 26 feetD. 32 feet
23. When Mike went to buy a TV, he noticed that they are sized by the length of the diagonal of the screen. He was interested in a TV with a diagonal of 24 inches.
Which dimensions could be the width and the height, to the nearest inch, of the TV screen that Mike was interested in?
A.
B.
C.
D.24. The distance between points and can be calculated using a right triangle.
Which of these pairs of numbers represents the possible lengths of two of the sides of that triangle?
A. 2 and 3B. 2 and 8C. 3 and 8D. 5 and 6
25. A soccer coach fills cones with sand so that the wind will not blow them around the field during practice. He uses 10 cones with the dimensions shown below.
How much sand does he need to fill all 10 of the cones?
A. 48 inches3
B. 804 inches3
C. 2,411 inches3
D. 8,040 inches3
26. The diameter of an inflated, spherical, hot air balloon is 12 meters. What is the volume inside the hot air balloon? Use π=3.14 and round to the nearest whole number.
A. 113 cubic meters
B. 268 cubic metersC. 904 cubic metersD. 7,235 cubic meters
27. Quadrilateral QUAD was rotated 180° about the origin to create quadrilateral Q’U’A’D’ as shown in the graph below.
What was in the original quadrilateral?
A. 60°B. 80°C. 90°D. 130°
28. The pattern on Wanda’s kitchen floor is shown below.
Which of these BEST describes the transformation from triangle 1 to triangle 2?
A. rotated 180°B. translated rightC. reflected over vertical lineD. reflected over horizontal line
29. Look at the figures below.
Which statement describes how figure B is obtained from figure A ?
A. Translate figure A 4 units down and 8 units to the right.B. Reflect figure A about the X -axis and then about the y -axis.C. Reflect figure A about the x -axis, then translate it 8 units to the right.D. Rotate figure a 180°, then translate it 4 units down and 8 units to the right.
30. Triangle ABC is shown on a coordinate plane.
What are the coordinates of vertex B if triangle ABC is translated 4 units to the right and 2 units up?
A. (5, 1)B. (4, 7)
C. (6, 3)D. (6, 5)
31. Rectangle is shown below.
If rectangle is dilated, with the origin as the center and with a scale factor of , where will be located?
A. (3, 9)B. (-1, -3)C. (-3, -9)D. (-9, -27)
32. The on the grid below is reflected over the y-axis and then translated 3 units to the right.
The result of this transformation is the . What is the position of ?
