8.1 Relations and Functions VOCABULARY

Which of the following defines a relation?

• Any set of ordered pairs

• A set of ordered pairs where the x-values do not repeat

Tags

CCSS.8.F.A.1

Which of the following defines domain?

• List of y-values of a relation

• List of x-values of a relation

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which of the following defines range?

• List of y-values of a relation

• List of x-values of a relation

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which of the following defines a function?

• A relation where the x-values repeat

• A relation where the x-values do not repeat

Tags

CCSS.8.F.A.1

Which of the following defines a function?

• A mapping where every x-value points to exactly one y-value

• A mapping where x-values points to more than one y-value

Tags

CCSS.8.F.A.1

Which of the following defines a function?

• A graph that passes the VLT (vertical line test)

• A graph that does not pass the VLT (vertical line test)

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.C.7

Which of the following correctly explains how a graph passes the VLT (vertical line test)?

• Vertical line crosses only one point

• Vertical line crosses more than one point

Tags

CCSS.HSF.IF.A.1

True or False: In an ordered pair the x-value is written first.

• TRUE

• FALSE

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

True or False: In a mapping an arrow is drawn from the y-values to the x-values.

• TRUE

• FALSE

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What the correct way to write an ordered pair?

• 
  

  $\left(x,y\right)$
  

• $\left(y,x\right)$

Tags

CCSS.6.NS.C.8