Comparing Functions 8.F.A.2

given the following functions:
y =2x + 3  and   -6x +2 = y
What is the sum of the rates of change? 

• 8
• 5
• 1
• -4

given the following functions:
y=3x + 4  and   y=x + 12
What is the difference in the values of the initial values?

• 8
• -16
• 4
• 0

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

• How many minutes she was on the phone 
• What Tara pays per minute
• Tara's base fee for her phone service
• How much Tara owes at the end of each month

Tags

CCSS.8.EE.B.5

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month?

• Beth's service ($38 vs. $40) is cheaper
• Nate’s service ($42 vs. $44) is cheaper
• Nate’s service ($38 vs. $40) is cheaper
• Beth's service ($42 vs. $44) is cheaper

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

find the Rate of Change

• 3/2
• -3/2
• (-0,-3)
• none of the above

What is the rate of change in the equation y=2x + 3?

• 2
• 3
• 5
• Cannot be Determined 

What is the initial value (y-int)?

• (0,7)
• (0, 0)
• (0,1)
• (0, 2)

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the rate of change (slope) to rent a raft from Ryan's Rafts?

• $15 per hour
• $2.25 per hour
• $17.25 per hour
• $1 per hour

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Who has the greater rate of change?

• CJ has a greater rate of change with 13/2
• Holland has a greater rate of change with 6
• CJ has a greater rate of change with 2/13
• They have the same rate of change.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9