1. Subtract (4x + 2y) – (8x – 3y).
–4x – y
12x – y
12x + 5y
–4x + 5y
2. Determine the best name for the quadrilateral.
Graphic
rectangle
rhombus
trapezoid
parallelogram
3. Which figure has rotational symmetry for an angle of rotation of 270°?
graphic
graphic
graphic
graphic
4. In a randomly selected group of marbles, the probability of finding a red marble is 1 in 14. How many red marbles will you likely have if you have a bag holding 700 randomly selected marbles?
50
75
125
150
5. Explain why ΔADB ≅ ΔCDB. List the other corresponding parts.
Graphic
SAS, ∠A ≅ ∠C, AB-segment ≅ CB-segment, ∠ABD ≅ ∠CBD
SAS, ∠A ≅ ∠C, AD-segment ≅ CD-segment, ∠BDA ≅ ∠BDC
SSS, ∠A ≅ ∠C, ∠ABD ≅ ∠CBD, ∠ADB ≅ ∠CDB
ASA, ∠A ≅ ∠C, AB-segment ≅ CB-segment, AD-segment ≅ CD-segment
6. You want to construct a segment XY-segment congruent to segment AB-segment. The first step is
Put the point of your compass on point A.
Measure the length of AB-segment.
Construct a ray with endpoint X.
none of these.
7. Find –2 over 3 ÷ (–2 over 9). Write the answer in simplest form.
–3
–4 over 27
3
4 over 27
8. Which cylinder has the largest surface area?
a cylinder with a height of 6 cm and a base with a radius of 3 cm
a cylinder with a height of 8 cm and a base with a radius of 4 cm
a cylinder with a height of 4 cm and a base with a radius of 8 cm
a cylinder with a height of 8 cm and a base with a radius of 3 cm
9. There was a berry-picking contest at the Earth Day celebration this year. The line plot shows the number of pints of berries collected by people participating in the contest. What is the median?
Graphic
8
6
9
7
10. Suppose you choose a marble from a bag containing 8 green marbles, 9 red marbles, and 3 blue marbles. You replace the first marble in the bag and then choose again. Find the probability P(red and green).
9 over 50
1 over 19
18 over 95
17 over 20
11. Add (4x – 2y) + (7x – 5y).
11x + 3y
11x – 7y
–3x + 3y
–3x – 7y
12. Solve the equation –2 = x over 4 + 1.
–7
–4
–1
–12
13. A sphere has a radius of 5 ft. Find its surface area to the nearest square foot.
Approximately 314 square feet
Approximately 126 square feet
Approximately 986 square feet
Approximately 1,256 square feet
14. Find the measure of the complement and supplement of an angle measuring 6.3°.
93.7°, 193.7°
83.7°, 173.7°
73.7°, 173.7°
no compliment, 173.7°
15. The box-and-whisker plots show data for test scores in a classroom. Which plot represents data in which all students earned above 60 percent?
Graphic
Graphic
Graphic
Graphic
16. A savings account is set up so that the simple interest earned on the investment is moved into a separate checking account at the end of each year. If an investment of $6,000 accumulates $1,350 of interest in the checking account after 5 years, what is the annual simple interest rate on the savings account?
22.5%
4.5%
0.45%
27%
17. Combine like terms –12p + 5p.
17p
–17p
7p
–7p
18. A number cube is rolled 320 times and the results are recorded as follows: 55 ones, 60 twos, 49 threes, 58 fours, 57 fives, and 41 sixes. What is the experimental probability of rolling a two or a three?
0.44
0.66
0.56
0.34
19. Find the GCF of 4, 20, and 16.
10
2
4
20
20. If the sides of a square are halved, what fraction of the original area is the new area?
It is one eighth of the original area.
It is one fourth of the original area.
It is one half of the original area.
none of these
21. Find the volume of the cylinder to the nearest whole unit.
Graphic
1,521 ft3
3,041 ft3
66,903 ft3
16,726 ft3
22. The graph shows the market shares of various orange juice companies. What values have been omitted from the graph?
Graphic
2 to 8%
5 to 9%
0 to 3%
0 to 5.9%
23. Find the area of the figure.
Graphic
369 cm2
349 cm2
492 cm2
411 cm2
24. Both graphs represent the average number of rentals each day of the year at Shadydeal Videos. Which statement is true?
Graphic
All the parts of the graphs are exactly the same.
The scale on the second graph is misleading.
The scale on second graph gives the more accurate picture of rental changes.
none of these
25. The stem-and-leaf plot shows the test scores of a science class. What is the mean of these data?
Graphic
Key: 6|8 means 68
80.5
78.5
79.5
82.5
26. What percent of 1,100 is 55?
0.05%
5%
20%
1.05%
27. Which figure is the base plan of this solid?
Graphic
Graphic
Graphic
Graphic
Graphic
28. Evaluate 8x + 11y for x = 5 and y = –1.
19
4
51
29
29. Use dimensional analysis to complete $18/min = $Box /s.
30
1,080
0.3
108
30. Use cross products to determine which ratio can form a proportion with 4 over 7.
12 over 28
16 over 35
16 over 21
40 over 70
31. A building casts a shadow 104 meters long. At the same time, a nearby pole 6 meters high casts a shadow 12 meters long. What is the height of the building?
18 meters
208 meters
52 meters
98 meters
32. Name the solid that has five lateral surfaces that are triangles.
pentagonal pyramid
hexagonal pyramid
pentagonal prism
hexagonal prism
33. A spinner has 6 sections of equal size labeled with the numbers 1, 2, 3, 4, 5, and 6. Find P(number greater than 4) if you spin the spinner once. Express the probability as a fraction and as a percent. Round the percent to the nearest hundredth, if necessary.
5 over 6, 83.33%
1 over 3, 33.33%
1 over 6, 16.67%
1, 100%
34. Simplify the expression –64.
–1,296
216
1,296
–7,776
35. From a barrel of colored marbles, you randomly select 7 blue, 5 yellow, 8 red, 4 green, and 6 purple. Find the experimental probability of NOT selecting a purple marble.
60%
40%
20%
80%
36. Ms. Jones drew a box-and-whisker plot to represent her students' scores on a midterm test. Dominique received 83 on the test. Describe how his score compares with those of his classmates.
Graphic
About 25% scored higher; about 75% scored lower.
About 75% scored higher; about 25% scored lower.
About 50% scored higher; about 50% scored lower.
none of these
37. Find the selling price when the store's cost is $128.65 and the percent of markup is 40%. Round to the nearest cent.
$133.80
$205.84
$180.11
$136.37
38. Estimate 34% of 894 using fractions.
30
20
600
300
39. The circle graph below shows the favorite type of music of students at Carson Middle School. Find P(student prefers country or classical).
graphic
10%
35%
40%
15%
40. Complete: 6 to ? power over 6 squared = 616.
32
8
18
14
Please help me with this i really need help
4 answers
And sorry, you will have to describe the graphics is possible.
Talk about a massive attempt to cheat. =(
2 answers