Functions, Systems, Scatter Plots, & MAD Review

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

• 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

Give the domain and range. Tell if it is a function.

• Not a Function

• Function

Tags

CCSS.8.F.A.1

The list shows the heights of 6 students in inches.

63, 70, 68, 73, 58, 67

What is the mean absolute deviation for these numbers?

• 24

• 66.5

• 4

• 67.5

Tags

CCSS.6.SP.B.5C

What was the mean absolute deviation of the number of minutes Mira practiced each day?

• 4.0

• 4.4

• 4.6

• 4.9

Tags

CCSS.6.SP.B.5C

What was the mean absolute deviation of the number of visitors each day?

• 8.76

• 11.36

• 16.8

• 17.52

Tags

CCSS.6.SP.B.5C

The list shows the number of songs that five students each downloaded last week.

32, 43, 38, 28, 51

What is the mean absolute deviation of the numbers in the list?

• 34.4

• 6.88

• 38.4

• 7.68

Tags

CCSS.6.SP.B.5C

Which representation shows y as a function of x?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

Which representation does not show y as a function of x?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1