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8th Math - Unit 4 (Part I)
Test Description: Unit 4 (Part I)
Instructions: Answer all questions to get your test result.
1) A list of numbers that follows a certain pattern is called...
A
a relation
B
an input
C
an output
D
a series
2) 2, 4, 6, 8... is an example of...
A
a relation
B
a series
C
an output
D
an input
3) A set of ordered pairs is called...
A
a series
B
an input
C
a relation
D
an output
4) The input is...
A
###
B
the x-value of a function
C
####
D
the y-value of a function
5) The output is...
A
###
B
####
C
the x-value of a function
D
the y-value of a function
6) In a function, an input must relate to...
A
####
B
exactly one output
C
multiple outputs
D
no outputs
7) The set of all input values is known as...
A
a relation
B
the domain
C
the range
D
a series
8) The set of all output values is known as...
A
the range
B
the domain
C
a relation
D
a series
9) The independent variable is another name for...
A
the x-value
B
the y-value
C
####
D
the z-value
10) The dependent variable is another name for...
A
####
B
the x-value
C
the y-value
D
the z-value
11) (0,0) (1,1) (2,2) (3,3)
A
YES... that is a function!
B
No... that is not a function!
C
###
D
####
12) (2,3) (2,5) (3,4) (3,6)
A
###
B
YES... that is a function!
C
####
D
NO... that is not a function!
13) y = x + 1
A
YES... that is a function!
B
###
C
####
D
NO... that is not a function!
14) (-4, 3) (-4, 3) (0, 5) (7, 12)
A
####
B
###
C
YES... that is a function!
D
NO... that is not a function!
15) (8, 100) (2, 50) (-5, -25) (8, -75)
A
####
B
###
C
YES... that is a function!
D
NO... that is not a function!
16) DOMAIN: (2, 5) (4, 8) (6, 11)
A
2, 4, 6
B
###
C
5, 8, 11
D
####
17) RANGE: (-5, 1) (-1, -7), (3, -15)
A
###
B
-5, -1, 3
C
####
D
1, -7, -15
*select an answer for all questions
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