Review - Unit 2 Functions

Is the relation a function? Why?

• Yes, because the x-value 11 has two y-values paired 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 paired with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Which set of ordered pairs represents 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

Does the table represent a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Does the graph represent a function?

• Yes because the vertical line test shows there are no repeating input values.

• No because the vertical line test shows there are repeating input values.

Choose the equation that best matches the graph shown.

• y = 4x

• y = 4x - 3

• y = (4/3) x + 4

• y = (4/3) x - 3

Which rate of change represents the following graph?

• 4 bracelets per girl
• 3 bracelets per girl
• 0.25 bracelets per girl
• 2 bracelets per girl

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

• A. y = -3x + 8

• B. y = 3x + 8

• C. y = -3x - 8

• D. y = 3x - 8

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

Is this function linear or nonlinear?

• Linear
• Nonlinear

Tags

CCSS.8.F.A.3

Is the function linear or nonlinear?

• Linear

• Nonlinear

Tags

CCSS.8.F.A.3