8th Math - Unit 4 (Part I) Question Preview (ID: 58277)


Unit 4 (Part I). TEACHERS: click here for quick copy question ID numbers.

(8, 100) (2, 50) (-5, -25) (8, -75)
a) NO... that is not a function!
b) YES... that is a function!
c) ###
d) ####

(-4, 3) (-4, 3) (0, 5) (7, 12)
a) YES... that is a function!
b) NO... that is not a function!
c) ###
d) ####

y = x + 1
a) YES... that is a function!
b) NO... that is not a function!
c) ###
d) ####

(2,3) (2,5) (3,4) (3,6)
a) NO... that is not a function!
b) YES... that is a function!
c) ###
d) ####

(0,0) (1,1) (2,2) (3,3)
a) YES... that is a function!
b) No... that is not a function!
c) ###
d) ####

The dependent variable is another name for...
a) the y-value
b) the x-value
c) the z-value
d) ####

The set of all output values is known as...
a) the range
b) the domain
c) a series
d) a relation

The independent variable is another name for...
a) the x-value
b) the y-value
c) the z-value
d) ####

The set of all input values is known as...
a) the domain
b) the range
c) a series
d) a relation

In a function, an input must relate to...
a) exactly one output
b) multiple outputs
c) no outputs
d) ####

The output is...
a) the y-value of a function
b) the x-value of a function
c) ###
d) ####

The input is...
a) the x-value of a function
b) the y-value of a function
c) ###
d) ####

A set of ordered pairs is called...
a) a relation
b) a series
c) an input
d) an output

2, 4, 6, 8... is an example of...
a) a series
b) a relation
c) an output
d) an input

A list of numbers that follows a certain pattern is called...
a) a series
b) a relation
c) an input
d) an output

DOMAIN: (2, 5) (4, 8) (6, 11)
a) 2, 4, 6
b) 5, 8, 11
c) ###
d) ####

RANGE: (-5, 1) (-1, -7), (3, -15)
a) 1, -7, -15
b) -5, -1, 3
c) ###
d) ####

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