8-Chapter 3 Review

Which equations describe a nonlinear function? Select all that apply.

• y=3^x

• 3y=x + 2³

• y=5x²+6x

• 4x+3y²=24

Tags

CCSS.8.F.A.3

Is this function linear or nonlinear?

• Linear function

• Nonlinear function

Tags

CCSS.8.F.A.3

Is this graph a function and how can you tell?

• Yes its a function cause it doesn't cross itself
• No it's not a function because it goes through the origin
• No it's not a function because the x value 4 has y values of  -2 & 2
• No it's not a function because the y value 4 has x values of  -2 & 2

Is this mapping a function and how can you tell?

• Yes its a function cause all the numbers have lines
• No it's not a function because there a 5 in both ovals
• No it's not a function because the x value 5 has y values of  2 & 9
• No it's not a function because the y value 5 has x values of  2 & 9

Tags

CCSS.8.F.A.1

Is this set of ordered pairs a function and how can you tell?

• Yes its a function because no y values repeat
• No it's not a function because there are negative numbers
• No it isn't a function because an x value repeats but has different y values 
• No it isn't a function because an y value repeats but has different x values

Tags

CCSS.8.F.A.1

The set of ordered pairs below represent a relation that is a function.

{(3,4), (4,4), (5,2)}

Which point, when added to the set, would form a relation that is NOT a function?

• (2, 4)

• (5, 3)

• (6, 1)

• (0, 0)

Tags

CCSS.8.F.A.1

Which of the following best describes a function?

• A special relationship where each x and y are individually paired
• A special relationship where each x value has only one y value 
• A special relationship where each y value has only one x value 
• A special relationship where each the x and y value and always equal 

Tags

CCSS.8.F.A.1

which statement correctly describes the function on a given interval?

• The function is increasing and linear between x=2 and x=5

• The function is decreasing and nonlinear between x=-2 and x=0

• The function is increasing and linear between x=0 and x=4

• The function is increasing and nonlinear between x=-6 and x=-2

Which show a linear function? Select 2.

• 
• 
• 
• 

Tags

CCSS.8.F.A.3

Which graph(s) show linear functions?

• Graph III, only

• None

• Graph I and Graph III, only.

• Graph I, Graph II, and Graph III

Tags

CCSS.8.F.A.3