Comparing Functions

Dave owns a lawn business. He charges $10 per hour and a $25 dollar disposal fee. What is the correct equation Dave would use to find out how much to charge his customers?

• y = 25x + 10
• x = 25y + 10
• y = 10x +25
• x = 10y + 25

Tags

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5
• y = 2.50x + 3
• y = 2.50x 
• y = 3x + 2.50

Tags

CCSS.8.F.A.1

CCSS.8.F.B.4

What is the initial value of the following graph?

• (3, 0)
• (0, 3)
• (4, 0)
• (0, 4)

Tags

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.3

Write an equation for the table.

• y = 0.4x
• y = 025x
• y = 4x
• y = 0.04x

Tags

CCSS.8.EE.B.5

CCSS.8.F.A.2

CCSS.8.F.B.4

Write an equation for the line

• y = 50x
• y = 20x
• y = 0.02x
• y = 0.2x

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

What is the y-intercept?

• (0,7)
• (0, 0)
• (0,1)
• (0, 2)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.SP.A.3

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.SP.A.3

Who has the greater rate of change?

• Hunter has the greater rate of change.
• Casey has the greater rate of change 
• They have the same rate of change

Tags

CCSS.8.EE.B.5

CCSS.8.F.A.2

CCSS.8.F.B.4

Who has the greater rate of change?

• Braden has the greater rate of change with 60/3
• Omar has the greater rate of change with 100
• Braden has the greatest rate of change with 60
• They both have the same rate of change

Tags

CCSS.8.EE.B.5

CCSS.8.F.A.2

CCSS.8.F.B.4

CCSS.8.SP.A.3