CCSS.Math.Content.8.F.B.4

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x
• y=6(1+14)^x
• y=6(1.14)^x
• y=6(0.86)^x

Tags

CCSS.Math.Content.8.F.B.4

What is the slope of the table?

• -2/1
• -1/2
• 2/1
• 1/2

Tags

CCSS.Math.Content.8.F.B.4

What is the slope and y-intercept of the table?

• m=5/1 b=-28
• m=1/5 b=-34
• m=-5/1 b=-34
• m=5/1  b=-28

Tags

CCSS.Math.Content.8.F.B.4

What is the rate of change?

• 5
• 1/5
• 15
• 10

Tags

CCSS.Math.Content.8.F.B.4

CCSS.Math.Content.8.EE.B.5

Which of the following are ways to find the rate of change?

• change in y over change in x
• rise over run
• subtract y coordinates over subtract x coordinates
• all of the above

Tags

CCSS.Math.Content.8.F.B.4

CCSS.Math.Content.8.EE.B.6

Find the slope from the table:

• -2/5
• 5/-2
• 5/2
• 2/5

Tags

CCSS.Math.Content.8.F.B.4

CCSS.Math.Content.8.EE.B.5

CCSS.Math.Content.HSS.ID.C.7

What is the y-intercept in this table?

• (-2, -2)
• (1, 2)
• (0, 6)
• (6, 0)

Tags

CCSS.Math.Content.8.F.B.4

Choose the correct answer.

• A
• B
• C
• D

Tags

CCSS.Math.Content.8.F.B.4

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.Math.Content.8.F.B.4

CCSS.Math.Content.8.EE.B.5

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12
• y = 12x + 1.5
• y = 0.67x - 8
• y = -8x + 0.67

Tags

CCSS.Math.Content.8.F.B.4

CCSS.Math.Content.HSS.ID.C.7

CCSS.Math.Content.HSA.CED.A.2