Functions and Relations Quiz

What is the first step in creating a mapping?

• Draw 2 vertical ovals or rectangles

• Write the domain and range vertically in the left oval and the right oval

• Draw lines between the x-value and y-values

• Write the ordered pairs

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

In a relation, x values can repeat, but in a function, ________ cannot repeat.

• y-values

• x-values

• both x-values and y-values

Tags

CCSS.8.F.A.1

How many lines should be drawn in a mapping if there are 3 ordered pairs?

• 1

• 2

• 3

• 4

Tags

CCSS.5.G.A.2

What is the correct order to write the domain and range in a mapping?

• From greatest to least

• From least to greatest

• In any order

• From smallest to largest

Does this mapping diagram represent a function?

• No, because an input value goes to multiple output values
• Yes, because each input goes to one and only one output

Tags

CCSS.8.F.A.1

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Which mapping diagram is not a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

Use the mapping diagram to determine if the points are included are not included in the relation given.

Groups:

(a) Point in the Relation

,

(b) Point NOT in the Relation

• (-1, 1)

• (-2, 4)

• (2, 4)

• (1, 1)

• (1, -1)

• (4, 2)

• (4, -2)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1