Weekly Homework Week Sept. 21st
8th Grade 8A
Problem
1. Which group of numbers is in order from greatest to
least?
C.
D.
3.
Normally, items packaged in groups of 3 or 5 have a lower unit
cost than when sold as individual items. Jenny’s favorite
store is having a sale and packaged items can be purchased
individually at the lower unit price. Hair spray is normally
packaged in sets of 3 cans for $25. Socks are normally
packaged in sets of 5 pairs for $12. Jenny wants 2 cans of
hair spray and 2 pairs of socks. Which of the following
equations could be used to find T, the total price of 2 cans of
hair spray and 2 pairs of socks, not including tax?
A. T = (25 ÷ 3 x 2) + (12 ÷ 5 x 2)
B. T = (25 ÷ 3 x 2) + (12 ÷ 2 x 5)
C. T = (25 ÷ 5 x 3) + (25 ÷ 12 + 6)
D. T = (12 ÷ 6 x 2) + (25 x 6 ÷ 3)
5. Write the number 4.7 x 10-5 in scientific notation.
A. 0.0000047
B. 0.000047
Work and Answer
2. Which of the following situations would most likely
produce a scatter plot with a positive correlation?
A. The more time I spend at the video arcade, the less
money I have in my pocket.
B. The more time I spend studying, the higher my test
grade.
C. The faster I drive, the fewer miles per gallon I get.
D. The more time I spend talking on the phone, the less
time I have to watch T.V.
7
8
, 0.87,
8
10
8 7
0.87 , , , 88%
10 8
8
7
, 0.87, , 88%
10
8
7 8
88%, 8 , 10 , 0.87
A. 88%,
B.
Name ________________
Date ________________
C. 4,700,000
D. 470,000
4. The table below shows the relationship between attendance and
ticket price for a show.
Ticket
0
1
2
3
4
5
6
7
8
Price, t
Attendance
850
750
650
550
450
350
250
150
(people), p
Which function rule best describes this situation?
A. t  800 p  100
B. t 
C. t = 100p + 800
1
p  800
100
D. t = -100p + 850
6. If a set of data points has a trend line of y = 3.5x – 4,
what is the predicted value of x when y = 41.5?
A. 12
B. 15
C. 18
D. 13
50
Weekly Homework Week Sept. 21st
8th Grade 8A
Name ________________
Date ________________
7. Mrs. Ellison buys a 4.5-pound whole chicken for $4.41.
She goes back to the store the next day to purchase
another whole chicken. She finds one that is 5.2
pounds. If the price per pound is the same for both
chickens, which equation can be used to find how much
she spends on the second chicken?
A. p =
B. p =
(4.5)(5.2)
4.41
(4.5)(4.41)
5.2
C. p =
(4.41)(5.2)
4.5
D. p =
5.2
(4.41)(4.5)
9. If a line contains the points in the table, what is the
equation of the line?
X
Y
A.
B.
C.
D.
Y=x-6
Y = 3x + 9
Y=x+9
Y = 3x - 6
8. Dan’s school is planning a field trip to a museum. Bus
Company A charges a $40 rental fee plus $4 for each
student. Bus Company B charges $100 plus $2 per
student. How many students would have to go for the
cost to be the same?
A. 10 students
B. 30 students
C. 35 students
D. 70 students
10. What is the equation for a line passing through the points
(-2, -2) and (2, -4)?
3
2
2
3
-1
-9
A. Y = x -3
C. y = ½ x + 3
2
0
B. Y =
D. y = - ½ x - 3
5
9
7
15
11. Solve the following problem and record your answer in
the grid.
2x – 4 = 5x - 31
x+3
12. The volume of the cylinder shown is 9,495.36 cubic
centimeters. What is the length of the diameter d?
d
21 cm
A. 12 cm
B. 21 cm
C. 24 cm
D. 144 cm
Weekly Homework Week Sept. 21st
8th Grade 8A
Name ________________
Date ________________
13. Alicia has a cell phone and her monthly bill is based on
how many minutes she uses her phone. Her plan follows.
Number of minutes
Monthly cost
m
c
0 – 500
$70
501 +
$70 + 0.10(m – 500)
If Alicia uses 650 minutes during the month of March and
525 minutes of the month of April, which charge best
represents the combined cost for March and April?
A. $140
B. $207.50
C. $157.50
D. $185
15. During the Industrial Age in the United States, there
were approximately 10,000 covered bridges, of which
893 are still standing today. Of the bridges still
standing, 231 are in Pennsylvania, 157 are in Ohio, 100
are in Vermont, and the rest are scattered throughout
the country. Which expression can be used to find the
percentage of the 10,000 covered bridges that are still
standing that are located in Ohio?
A.
893
10,000
B.
157
893
x 100
x 100
C.
100
893
D.
100
10,000
x 100
x 100
14. The chart below shows the costs of rides at the rodeo
fairgrounds.
No. of Rides
Total
Price
1
$6.25
2
$7.50
3
$8.75
4
$10.00
Which equation shows the relationship between the total
price, P, and number of rides, r?
A.
P = 5r + 1.25
C. P = 1.25r + 500
B. P = r(1.25 + 5.00)
D. P = 1.25(r + 500)
16. The students at Garcia Middle School are holding a
carnival to raise funds for new school equipment. First
State Bank said they would give $2.50 for every $10.00
the students raised. The students raised. The students
raised $530. Which expression can be used to determine
the contribution First State Bank will make?
A. 10.00 = x
530.0
2.50
C. 2.5 = x
530 10.00
B. 2.5
10
= 530
x
D. 2.50 = x
10
530
Weekly Homework Week Sept. 21st
8th Grade 8A
17. Find the area of the following figure.
10 ft
A. 31.4 ft2
B. 314 ft2
18. Find the measure of the missing angle x and record your
answer in the grid.
x
C. 78.5 ft2
D. 15.7 ft2
19. Which of the following is equivalent to 24,000 x
10,000?
A.
B.
C.
D.
Name ________________
Date ________________
2.4 x 105
2.4 x 106
2.4 x 107
2.4 x 108
65˚
20. Meredith worked on some math problems at the library.
She needed to select a statement that was true. Which
of these statements should she have selected?
A.
B.
C.
D.
21. Mrs. Nevin is making a costume for a school play. She
needs a piece of fabric that is greater than ½ of a yard
5
but less than 8 of a yard. Which length of fabric listed
below could she use?
A.
3
8
yard
C.
3
7
yard
B.
4
7
yard
D.
2
4
yard
50 x 106 < 5 x 107
2 x 103 = 20,000
7.4 x 105 > 0.74 x 106
12,000,000 = 1.2 X 107
22. A toy box is 60 inches long, 24 inches wide, and 36 inches
high. Which is the closest to the volume of the toy box?
A. 10 ft2
B. 15 ft2
C. 25 ft2
D. 30 ft2
Weekly Homework Week Sept. 21st
8th Grade 8A
23. Graph the following inequality on the number line.
2x ≤ -12
5n + 3
D
3n + 5
27. Mrs. Soliz makes cupcakes for the local child day care
center. She uses 2 ½ cups of flour to make 2 dozen
cupcakes. How much flour will she use to make 3 dozen
cupcakes?
A. 3 cups
24. Solve the following equation and record your answer in
the grid.
7x – 4 = 20 + 3x
25. Let n represent the position of a term in the sequence
below.
8, 11, 14, 17, 20, 23, . . .
Which algebraic expression can be used to find the nth
term of the sequence?
A 2n + 6
B 6n + 2
C
Name ________________
Date ________________
C. 4 cups
26. Carrie has an average of 88 on 3 quiz grades. If Carrie
wants to raise her quiz average to 90, which equation can
be used to find n, the grade she needs to make on her
fourth quiz?
A. n = (90 – 88) ● 4
B. (3(88) + n) ÷ 4 = 90
C. n = ((88● 3) + 90) ÷ 4
D. (88 + 90) ● 3 = 4n
28. Ginger can type 80 words in 55 seconds. Which equation
can be used to find w, the number of words Ginger can
type at this rate in 115 seconds?
A. w =
80(55)
115
115
B. 2 ¾ cups
D. 3 ¾ cups
B. w = 80(55)
C. w =
80
55
55
(115)
D. w = 80 (115)
Weekly Homework Week Sept. 21st
8th Grade 8A
Name ________________
Date ________________
29. Frances wants to buy a leather jacket that costs $200,
after the tax. She has $50 in her savings account and
earns $7 an hour babysitting. Which equation below
would she use to determine how many hours, h, she must
babysit before she can buy the jacket?
A. 50h + 7 = 200
B. 7h – 50 = 200
30. A section of Mr. Peña’s check register is shown below.
Mr. Peña’s Register is below.
What is the current balance in Mr. Peña’s checking account?
A. $460.36
C. $459.02
C. 200 = 50 + 7h
D. 200 = 50 - 7h
Check
Number
Date
B.
Description
$542.32
Payment
D. $539.64
Deposit
Balance
$157.62
2622
4/1
Sports Academy
$62.79
2623
4/1
Budget Dry Cleaners
$21.73
2624
4/2
Allen’s Auto
$81.19
4/4
Deposit
4/4
Pizza Hut
4/5
Interest
2625
$-8.09
$500.00
$32.89
$1.34