Unit 5 Pre-Algebra Functions Review

Is this graph a function or not a function? 

• Function 
• Not a Function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

A relation where every input in matches with exactly one output is called what?

• Relation

• Linear

• Exponential

• Function

Tags

CCSS.8.F.A.1

What is the test to determine if a graph represents a function?

• Horizontal line test

• Vertical line test

• Heidelberg Uncertainty Test

• Obi Wan Kenobi Test

Is this table a function and how can you tell?

• Yes its a function because there are not variables for missing numbers
• No it's not a function because the y value 4 repeated
• No it isn't a function because the x value 2 is repeated
• No it's not a function because the x value 5 has y values of  10 & 12

Tags

CCSS.8.F.A.1

• Function

• Not a Function

Find the slope

• -5/3
• -3/5
• 5/3
• 3/5

Tags

CCSS.8.EE.B.5

Describe the slope of the line.

• negative slope

• 0 slope

• positive slope

• undefined slope

Tags

CCSS.8.EE.B.5