Relations

Relations

by Omar Shishani

Poll

How well are you doing in math so far?

Multiple Choice

QUICK CHECK:

Which of the following is equivalent to 2(c - 8)?

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

Multiple Choice

QUICK CHECK:

Which of the following is equivalent to 4(p - 6)?

• -4p - 24
• 4p + 24
• 4p + 24
• 4p - 24

Multiple Choice

QUICK CHECK:

-3(2c - 5)

• -6c - 15

• -6c + 15

• 6c + 15

• 6c - 15

Multiple Choice

QUICK CHECK:

(b + 8)5

• b + 40
• 5b - 40
• 5b + 40
• 5b + 8

Graph each coordinate plane!!!

Multiple Choice

The coordinate plane is divided by a horizontal number line called what? 

• y-axis
• origin
• x-axis
• quadrant

Multiple Choice

The vertical number line in the coordinate plane is called what? 

• y-axis
• origin
• quadrant
• x-axis

Multiple Choice

The coordinates for the origin in the coordinate plane are________?

• (1,1)
• (0,0)
• (0,1)
• (1,0)

Multiple Choice

Where is point E located?

• ( 2, 0 )
• ( 2 , 2 )
• ( 0 , 2 )
• ( 0 , 0 )

Multiple Choice

Give the coordinates for POINT H.

• (-1, 2)
• (1, -2)
• (-1, -2)
• (1 , 2)

Multiple Choice

Give the coordinates for POINT I.

• (-2, 5)
• (-2, -5)
• (2, 5)
• (2, -5)

Multiple Choice

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Multiple Choice

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

Multiple Choice

Mica is a __________ value.

• Range

• Domain

Fill in the Blanks

Mapping Diagrams

A mapping is a function if there is only ONE ARROW coming out of each DOMAIN value. In the previous slide, Mapping #1 is a function and Mapping #2 is NOT a function.

x's DO NOT repeat

Graphs

Take a look at the 2 graphs on the next slide. Decide which graph is a function and why.

Multiple Choice

Which graph does not represent y as a function of x?

• Graph #1

• Graph #2

Multiple Choice

Which relation represents a function?

• Mapping #1

• Mapping #2

Multiple Choice

• Function
• Not a Function

Multiple Choice

• Function
• Not a Function

Multiple Choice

• Function
• Not a Function

Multiple Choice

• Function
• Not a Function

Multiple Choice

• Function
• Not a Function

Multiple Choice

• Function
• Not a Function

Multiple Choice

• Function
• Not a Function

Multiple Choice

• Function
• Not a Function

Multiple Choice

Is the graph pictured a function?

• Yes
• No

Multiple Choice

• Function
• Not a Function