Proportional Relationships

Front

What is a Ratio?

Back

A comparison of two quantities.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the constant of proportionality?

Back

The constant value (k) that relates two proportional quantities.

Tags

CCSS.7.RP.A.2B

Front

What does the equation y=kx represent?

Back

It represents a proportional relationship where y is directly proportional to x.

Tags

CCSS.7.RP.A.2C

Front

What does it mean if two quantities are Proportional?

Back

It means that as one quantity changes, the other quantity changes at a constant rate.

Tags

CCSS.7.RP.A.2A

Front

In the equation y = kx, what does k represent?

Back

The constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

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

Back

3

Tags

CCSS.7.RP.A.2B

Front

If the ratio of x to y is 2:5, what is the constant of proportionality if y = kx?

Back

k = 5/2 or 2.5.

Tags

CCSS.7.RP.A.2B

Front

How do you determine if a table of values represents a proportional relationship?

Back

Check if the ratio of y to x is constant for all pairs of values.

Tags

CCSS.7.RP.A.2A

Front

What is an example of a proportional relationship in real life?

Back

The relationship between distance and time at a constant speed.

Tags

CCSS.7.RP.A.2A

Front

If y = 14x, what is the value of y when x = 2?

Back

y = 28.

Tags

CCSS.7.RP.A.2C