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

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.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

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

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

Which function has the GREATEST rate of change?

• 
• 
• 
• 

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.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

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.

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

• y = 5x + 15

• 
• Both are equal