Constant of Proportionality

choose the best answer.

• k=1.6

• k=0.6

• k=3

• k=5

Tags

CCSS.7.RP.A.2B

It takes Jennifer 2 hours to walk 13 miles. What is the constant of proportionality that relates the number of miles, y, to the time in hours, x?

• 6.5 miles per hour

• 26 miles per hour

• 0.15 miles per hour

• 7.2 miles per hour

Tags

CCSS.7.RP.A.2B

The graph shows the number of plants that sprouted from seed packets. What is the constant of proportionaltiy that relates y to x?

• 5

• 10

• 50

• 0.10

Tags

CCSS.7.RP.A.2B

The Choir is selling brownies for a fundraiser. Five brownies to sell for $4.75. what is the constant of proportionality that related the cost in dollars, y, to the number of brownies, x?

• Each brownie costs $1.05

• Each brownie costs $0.85

• Each brownie costs $0.95

• Each brownie costs $23.75

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality that relates y, the pieces of gum to the dollar amount,x?

• 10 pieces per dollar

• 120 pieces

• 20 pieces per dollar

• $0.05 per piece

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality in the equation below?

y = 2.8x

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality that relates y, the number of cups of coffee to the pounds of sugar needed, x?

• 4

• 20

• 100

• 5

Tags

CCSS.7.RP.A.2B

Choose the best answer

• 2

• 7

• 3

• 3.5

Tags

CCSS.7.RP.A.2B

The cost of 4 movie tickets is $39.00. What is the constant of proportionality that relates the cost in dollars, y, to the number of tickets, x?

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality from the equation d=65t?

Tags

CCSS.7.RP.A.2B