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Worksheets8th Grade Math Review 2
Total questions: 63
Worksheet time: 1hrs 29mins
Name
Class
Date
1.
Does the graph represent a function?
a)
Yes, because the vertical line test shows there are no repeating input values
b)
No, because the vertical line test shows there are repeating input values
2.
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
a)
D: {1, -3, -4,}
R: {0, 1, 2, -4}
R: {0, 1, 2, -4}
b)
D:{0, 1, 2, -4}
R:{1, -3, -4}
R:{1, -3, -4}
c)
D:{0, 1, 2, 3, 4}
R:{1, -3, -4}
R:{1, -3, -4}
d)
D:{0, 1, 2, 3}
R:{0, 1, 2, 3, 4}
R:{0, 1, 2, 3, 4}
3.
Does this mapping diagram represent a function?
a)
No, because there are repeating input values
b)
Yes, because there are no repeating input values
4.
Is relation shown a function?
a)
YES
b)
NO
5.
Is the relation a function?
a)
YES
b)
NO
6.
Is the relation a function?
{(-6, -1), (5,-1), (0, -1), (-2, -1), (3, -1)}
{(-6, -1), (5,-1), (0, -1), (-2, -1), (3, -1)}
a)
Yes
b)
No
7.
Which equation matches the table?
a)
y = 3x + 9
b)
y = x + 9
c)
y = x + 3
d)
y = 12x - 3
8.
Which equation matches the table?
a)
y = x + 5
b)
y = 5x
c)
y = x - 5
d)
x = y - 5
9.
For the function f(x) = -3x + 3 find f(0).
a)
0
b)
-3
c)
3
d)
-1
10.
Is the equation linear or nonlinear?
a)
Linear
b)
Nonlinear
11.
Is the function Linear or Nonlinear?
a)
Linear
b)
Nonlinear
12.
A set of ordered pairs is called what?
a)
Coordinates
b)
Relation
c)
Function
d)
Vertical Line Test
13.
A relation where every input in matches with exactly one output is called what?
a)
Relation
b)
Linear
c)
Exponential
d)
Function
14.
What is the domain?
a)
the set of all x-values
b)
the set of all y-values
15.
What is the range?
a)
the set of all x-values
b)
the set of all y-values
16.
Which type of relation is shown?
a)
Mapping
b)
Graph
c)
Table
d)
Set of ordered pairs
17.
What direction is an undefined slope?
a)
horizontal
b)
vertical
18.
In which quadrant is the point (-2, -3) located?
a)
I
b)
II
c)
III
d)
IV
19.
Which axis is the horizontal axis?
a)
z-axis
b)
x-axis
c)
y-axis
d)
coordinate axis
20.
Which of the following are ways to find the rate of change?
a)
change in y over change in x
b)
rise over run
c)
subtract y coordinates over subtract x coordinates
d)
all of the above
21.
What is the slope of the line passing through the following points:
(1,3) & (5, 0)
(1,3) & (5, 0)
a)
-4/3
b)
-3/4
c)
3/4
d)
4/3
22.
Find the slope of the line.
a)
Undefined
b)
0
c)
1/1
d)
-1/1
23.
Find the slope.
a)
-3
b)
-1/3
c)
3
d)
1/3
24.
Which runner was faster?
a)
Runner A
b)
Runner B
25.
Find the slope of the line.
a)
Undefined
b)
0
c)
1/1
d)
-1/1
26.
Find the slope from the table.
a)
1/4
b)
-1/4
c)
-4
d)
4
27.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
28.
Rate of Change is the same as...
a)
slope
b)
y-intercept
c)
initial value
29.
Y-Intercept is the same as...
a)
Rate of Change
b)
Initial Value
c)
Slope
30.
Initial Value is the same as...
a)
Slope
b)
Rate of Change
c)
Y-Intercept
31.
Rate of change means...
a)
where the line crosses the y-axis
b)
where the line ends
c)
changes in y values
changes in x values
32.
What is the rate of change for the following graph?
a)
80
b)
20
c)
40
d)
160
33.
Find the slope
a)
3
b)
-3
c)
20
d)
Not a constant slope/Non-Linear
34.
Find the initial value
a)
1
b)
9
c)
11
d)
0
35.
What is the initial value in this equation?
y=8x+6
a)
8
b)
6
c)
x
d)
y
36.
What is the initial value of this graph?
a)
1
b)
-2
c)
0
d)
3
37.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
38.
What is the initial value?
a)
-3
b)
0
c)
3
d)
20
39.
In order to join a yoga club there is a $100 annual fee and a $5 fee for each class you attend. What is the meaning of the initial value?
a)
The fee per class.
b)
# of classes attended.
c)
Annual Fee.
d)
Total amount spent on yoga.
40.
To start our Upper F hall lemonade stand, we spend $30 on lemonade mix and supplies, and we charge $1.50 for each cup sold. interpret the initial value
a)
# of cups sold.
b)
The price per cup.
c)
The amount spent on supplies.
d)
Amount of money earned in profit.
41.
How long did it take Sam to get to school?
a)
5 minutes
b)
20 minutes
c)
1.25 km
d)
1.25 minutes
42.
Match the scenario to its corresponding graph:
Ashley increased her speed as she took off from a stoplight until she saw another stoplight. When she saw the next stoplight, she decreased her speed until she came to a complete stop.
a)
A
b)
B
c)
C
43.
Which equation best represents the line on the graph?
a)
y= 1/2x
b)
y= -1/2x
c)
y = 2x
d)
y = -2x
44.
Suppose that a bike rents for $4 plus $1.50 per hour. Write an equation in slope-intercept form that models this situation.
a)
y = 4x + 1.50
b)
y = 1.50x + 4
45.
What does "m" represent in y=mx+b?
a)
y-intercept
b)
slope
c)
macaroni
d)
nothing
46.
Evaluate
a)
1
b)
14
c)
34
d)
-56
47.
What is the type of correlation?
a)
Negative
b)
no correlation
c)
positive
48.
What type of association does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
49.
What type of association does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
50.
Which scatter plot shows a linear relationship between x and y?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
51.
What would be the correlation between study time and test grades?
a)
positive
b)
negative
c)
none
d)
cannot be determined
52.
The table shows how 50 students travel to school.
What is the relative frequency of a 7th grade student traveling to school by walking?
What is the relative frequency of a 7th grade student traveling to school by walking?
a)
45%
b)
30%
c)
60%
d)
40%
53.
You are analyzing a scatter plot that has a positive correlation. Which statement about the x and y values is true?
a)
The x values increase and y values decrease
b)
The x values increase and they y values increase.
c)
The x and y values both decrease.
54.
Lesly graphed two lines in order to find the solution to a given system of equations.
What is the solution?
What is the solution?
a)
(-3,-8)
b)
(-8,-3)
c)
(3,-8)
d)
(8,3)
55.
What is the solution?
a)
1
b)
-2
c)
(1, 2)
d)
(1, -1)
56.
What is the solution?
a)
(6, 3)
b)
(3, 6)
c)
(-6, 3)
d)
No solution
57.
Parallel Lines never intersect because...
a)
they have the same slopes.
b)
they have the same y-intercept.
c)
they have different slopes.
d)
they have different y-intercepts.
58.
How many solutions does this system of equations have?
a)
One Solution
b)
No solution
c)
Infinitely Many Solutions
d)
Two Solutions
59.
a)
Infinitely Many Solutions
b)
No Solution
60.
What is the solution?
a)
No solution
b)
(0, 2)
c)
(0, -4)
d)
(3, -3)
61.
If a system of equations has no solution, what does the graph look like?
a)
intersecting lines
b)
parallel lines
c)
skew lines
d)
the same line
62.
Find the slope
a)
4/5
b)
5/4
c)
-5/4
d)
-4/5
63.
What is the first step in solving this equation:
5x + 7 = 12
5x + 7 = 12
a)
Divide by 5
b)
Subtract 5
c)
Multiply by 7
d)
Subtract 7
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