Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities, expressed as y = kx.

Tags

CCSS.7.RP.A.2B

Front

Identify the constant of proportionality when k = 6.

Back

The constant of proportionality is k = 6.

Tags

CCSS.7.RP.A.2B

Front

Determine the constant of proportionality for the equation y = 2x.

Back

The constant of proportionality is k = 2.

Tags

CCSS.7.RP.A.2B

Front

What does it mean if the constant of proportionality is 'none (not proportional)'?

Back

It means that the two quantities do not have a constant ratio and are not proportional.

Tags

CCSS.7.RP.A.2A

Front

What is the constant of proportionality for the graph where y = 40 when x = 1?

Back

The constant of proportionality is k = 40.

Tags

CCSS.7.RP.A.2B

Front

If y = kx and k = 4, what is y when x = 5?

Back

y = 20.

Front

If the constant of proportionality is k = 1/2, what is the relationship between x and y?

Back

y = (1/2)x.

Tags

CCSS.7.RP.A.2B

Front

What is the constant of proportionality for the equation y = 3x?

Back

The constant of proportionality is k = 3.

Tags

CCSS.7.RP.A.2B

Front

If k = 100, what does this imply about the relationship between x and y?

Back

For every unit increase in x, y increases by 100 units.

Tags

CCSS.5.OA.B.3

Front

How do you find the constant of proportionality from a table of values?

Back

Divide the value of y by the corresponding value of x for any pair of values.

Tags

CCSS.7.RP.A.2B