Constant Proportionality in Graphs

What is the constant of proportionality for the following graph?

• 80

• 20

• 40

• 160

Identify the constant of proportionality.

• k = 5

• k = 1/5

• k = 1

• k = 2.5

• none (not proportional)

Identify the constant of proportionality.

• k = 25

• k = 50

• k = 100

• k = 1/50

• none (not proportional)

Which tables and graphs show a proportional relationship?

• A,B,D

• A,C,F

• B,D,E

• B,C,F

The graph represents the number of plants produced to the number of seed packets used.

What is the constant of proportionality?

Mathematical Equivalence

ON

What is the constant of proportionality for the following graph?

• 100

• 10

• 1/10

What is the constant of proportionality of the graph above?

• 0

• 1/6

• 60

• 10

Identify the constant of proportionality. Write your answer as y=kx

• y=14x

• y=7x

• y=2x

• y=6x

Does this graph show a proportional relationship?

• Yes, because it is straight

• Yes, because it goes through the origin

• Yes, because it is straight and goes through the origin

• No, it is not

The graph represents the total number of cups of coffee and the total number of pounds of sugar used by starbucks.

What is the constant of proportionality?

Mathematical Equivalence

ON