WorksheetsReview Chapter 1 7/8th Grade Math
Total questions: 45
Worksheet time: 11hrs 15mins
Name
Class
Date
1.
275 feet in 10 seconds =
a)
27.5 feet per second
b)
2.75 feet per second
c)
275 feet per second
d)
2,750 feet per second
2.
275 feet in 20 seconds =
a)
27.5 feet per second
b)
13.75 feet per second
c)
137.5 feet per second
d)
5,500 feet per second
3.
25 pieces for $2.00 =
a)
8 cents each
b)
$0.09 each
c)
$50 each
d)
$5 each
4.
10 pencils for $1 =
a)
10 cents each
b)
$10 each
c)
1 cent each
d)
$100 each
5.
The car travels 440 miles in 8 hours. What is the unit rate?
a)
12 miles in 1 hour
b)
55 miles in 1 hour
c)
110 miles in 1 hour
d)
44 miles in 1 hour
6.
Simplify the complex fraction shown.
a)
9/40
b)
40/9
c)
10/36
d)
5/18
7.
Simplify the complex fraction.
a)
18
b)
1/18
c)
9/72
d)
1/8
8.
Round to the nearest tenth if necessary.
660 ft/min = ____________ ft/s
660 ft/min = ____________ ft/s
a)
1.1
b)
11
c)
.11
d)
111
9.
Round to the nearest tenth if necessary.
5.6 lb/gal = ____________ oz/gal
5.6 lb/gal = ____________ oz/gal
a)
890
b)
895
c)
896
d)
89.6
10.
Does this graph represent a proportional relationship?
a)
No, because it doesn't pass through the origin.
b)
Yes, because it doesn't pass through the origin.
c)
Yes, because it intersects the y axis.
d)
No, because it intersects the x axis.
11.
REVIEW QUESTION
Which best describes the graph represented in this table?
Which best describes the graph represented in this table?
a)
proportional
b)
non-proportional
12.
Is the graph proportional or non proportional?
a)
proportional
b)
non proportional
13.
Which graph is proportional?
a)
A
b)
B
c)
C and D
d)
All of the graphs are proportional
14.
What is the constant of proportionality?
a)
8
b)
16
c)
24
d)
2
15.
What makes a graph proportional?
a)
Straight Line
b)
The line goes through (0,0)
c)
Curvy line
d)
Straight line and passes through (0,0)
16.
Solve the proportion below:
a)
42
b)
6
c)
2
d)
28
17.
In the equation y = 14x, what is the constant of proportionality?
a)
y
b)
x
c)
14
d)
y=14
18.
What is the constant of proportionality (in miles per hour) based on the table?
a)
45
b)
90
c)
135
d)
2
19.
5b=168
a)
10
b)
4
c)
2.5
d)
1.8
20.
352.5=d2
a)
28
b)
30
c)
34.5
d)
25
21.
What is the rate of change for the following graph?
a)
80
b)
20
c)
40
d)
160
22.
Use the graph to calculate the rate of change.
a)
1
b)
-1
c)
2
d)
-2
23.
What is the rate of change in the following equation: y = - 4x - 5 ?
a)
- 4
b)
- 4x
c)
5
d)
- 5
24.
Dev keeps a record in graph form of how far his car travels and the number of gallons of gasoline it uses.
What is the slope of the graph?
What is the slope of the graph?
a)
64
b)
128
c)
32
d)
16
25.
Slope is know as rise/
a)
run
b)
fall
c)
none
d)
rise
26.
What type of slope?
a)
negative
b)
steep
c)
undefined
d)
zero slope
27.
What type of slope?
a)
undefined
b)
positive slope
c)
negative slope
d)
zero slope
28.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
29.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
30.
What is the slope of the line pictured?
a)
2
b)
-2
c)
1/2
d)
-1/2
31.
What is the slope of the line pictured?
a)
4/3
b)
-4/3
c)
3/4
d)
-3/4
32.
Is this a direct variation?
y=2x
y=2x
a)
yes
b)
no
33.
Write an equation for this relationship.
a)
y=4x
b)
y=1/8x
c)
y=1/4x
d)
y=8x
34.
Which of the given graphs is a direct variation?
a)
A
b)
B
c)
C
d)
D
35.
What is the constant of proportionality (in miles per hour) based on the table?
a)
45
b)
90
c)
135
d)
2
36.
Eduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the constant of variation?
a)
k = 10
b)
k = 2
c)
k = 5
d)
k = 1/5
37.
A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What is the constant of variation?
a)
k = 123
b)
k = 20
c)
k = 6.15
d)
k = 0.16
38.
A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the equation of variation?
a)
y = 13x
b)
y = 65x
c)
y = 5x
d)
y = 1/13x
39.
What ordered pair does a direct variation always go through when graphed?
a)
(0, 0)
b)
(1, 0)
c)
(0, 1)
d)
(1, 1)
40.
Select all the equations that represent a direct variation:
a)
b)
c)
d)
41.
What is the Constant of Proportionality (slope) of y=7x
a)
y
b)
x
c)
7
42.
What is another name for the Constant of Proportionality?
a)
Slope
b)
Equation
c)
Math
43.
What is another name for k?
a)
y- intercept
b)
x
c)
slope
d)
x- intercept
44.
What does the Direct Variation Equation look like?
a)
y= kx
b)
y = mx + b
c)
y = b
d)
y = x
45.
Do the ratios form a proportion?
a)
Yes, they form a proportion.
b)
No, they do not form a proportion.
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