Graphing Zero and Undefined Slopes

What type of slope does the graph have?

• Zero
• Undefined
• Negative
• Positive

Graph. y = -4

• a
• b
• c
• d

Graph. x = 1

• a
• b
• c
• d

What is the equation of this line?

• 0
• undefined 
• y = -2
• x = -2

Graph. x = 1

• a
• b
• c
• d

What kind of slope would this line have?

• positive 
• negative 
• zero 
• undefined 

What is the slope a horizontal line?

• -1
• undefined
• 1
• 0

Graph y = -3

• A
• B
• C
• D

Which two graphs have undefined slopes?

• A & C

• B & D

All of the following lines have an undefined slope EXCEPT ...

• y = 3

• x = 0

• x = -9

• x = 2