Proportionality

What is the constant of proportionality?

• k

• x/y

• y/x

• c

A graph is proportional if:

• it must lay horizontally or vertically

• it goes through the origin (0,0)

• it is linear

• it cannot be proportional

What is the constant of proportionality?

is it proportional?

• yes

• no

Is it proportional?

• yes

• no

What is the constant of proportionality?

is it proportional?

• yes

• no

is it proportional?

• yes

• no

In the equation y=14x, what is the constant of proportionality?

In the school band, there are 3 percussion players for every 8 brass instrument players. If there are 24 brass instrument players in the band, how many percussion players are in the band?