Comparing Functions Math 8

find the rate of change

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

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Find the rate of change

• 3
• -3
• 20
• Not a constant slope/Non-Linear

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

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.6.EE.C.9

What is the tortoise's constant speed (average rate of change)?

• 60 feet/ 3 minutes
• 40 feet/minute
• 60 feet/minute
• 40 feet/ 3 minutes

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

How far into the race had the animals traveled before they were at the same location at the same time? Round your answer to the nearest foot.

• 4 feet
• 100 feet
• 7 feet
• 89 feet

The graph shows the race between the tortoise and the hare. How much of a head start did the hare give the tortoise?

• 2 minutes
• 4 minutes
• 7 minutes
• 10 minutes

Tags

CCSS.8.EE.B.5

Which function has the GREATEST rate of change?

• 
• 
• 
• 

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

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

The cost of Patrick’s texting is described by y = 0.03x + 5. The cost of Melanie’s texting is shown in the table. Which service is cheaper when 50 texts are sent or received in one month? 

• Patrick’s service would cost $4.50. Melanie’s would cost $10.50. Patrick’s is cheaper.
• Patrick’s service would cost $6.50. Melanie’s would cost $12.50. Patrick’s is cheaper.
• Patrick’s service would cost $16.50. Melanie’s would cost $12.50. Melanie's is cheaper.
• Patrick’s service would cost $12.50. Melanie’s would cost $6.50. Melanie's is cheaper.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What has the GREATER rate of change. y = 5x +15 OR the graph

• y = 5x + 15

• 
• Both are equal

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9