Unit 2 Day 6 Homework

On a flight from New York to London, an airplane travels at a constant speed. An equation relating the distance traveled in miles, , to the number of hours flying, , is . How long will it take the airplane to travel 800 miles?

• 1 hour

• 1.6 hours

• 2 hours

• 5 hours

Each table represents a proportional relationship. For each, find the constant of proportionality.

• 4

• 8

• 24

• 40

Each table represents a proportional relationship. For each, find the constant of proportionality.

• 1.5

• 2

• 3

• 3.14

A map of Colorado says that the scale is 1 inch to 20 miles or 1 to 1,267,200. Are these two ways of reporting the scale the same? Explain your reasoning.

• Yes, there are 12 inches in a foot and 5280 feet in 1 mile, so that’s 63,360 inches in a mile and 1,267,200 inches in 20 miles.

• No, there are 10 inches in a foot and 5200 feet in 1 mile, so that’s 63,300 inches in a mile and 1,266,200 inches in 20 miles.

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality for this table?

• $1/9 per hour
• $9 per hour
• $8 per hour

Tags

CCSS.7.RP.A.2B

What is the Constant of Proportionality for the table?

• 1/25

• 25

• 50

• 2

Tags

CCSS.7.RP.A.2B

Determine the missing value in the table.

• 15
• 3
• 1/3
• 9

Tags

CCSS.5.OA.B.3