Slope and Constant of Proportionality

What is the constant of proportionality for the table?

• 0

• 9

• 7

• 8

What is the constant of proportionality for the graph?

• k = 5

• k = 8

• k = 4

• k = 0

• None. This is not a proportional relationship.

In the equation y = 3x, what is the constant of proportionality?

• y

• x

• 3

Write an equation to represent this proportional relationship.

Match the following proportional situations to their slope. m represents the slope.

• m=4

• 240 bricks, y, are needed to build 2 walls, x. Which slope best represents this relationship?

• m=120

• A swimmer swims 26 lapes each minute. What slope could represent this situation?

• m=26

• 20 pieces of velcro are needed to hang up 5 posters. What slope could represent the unit rate for pieces of velcro per poster?

• m=2

• There are 6 fights in 3 days. What slope could represent the amount of fights each day.

Using the graph above, determine the constant of proportionality.

• k = 0

• k = 1

• k = 3

• k = 6

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

What is the constant of proportionality?

• 2

• 1/2

• 4/2

• 1/.5

Find the constant of proportionality (k).

What is the constant of proportionality?

• $3

• $4

• $2

• $9