Proportional Graphs

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Tags

CCSS.7.RP.A.2A

Front

How do you determine if a graph is proportional?

Back

A graph is proportional if it passes through the origin (0,0) and forms a straight line.

Tags

CCSS.7.RP.A.2D

Front

What does the constant of proportionality represent?

Back

The constant of proportionality represents the ratio between two proportional quantities, often denoted as k.

Tags

CCSS.7.RP.A.2B

Front

If the cost to mow a lawn is $9 per hour, what is the cost for 3 hours?

Back

$27

Tags

CCSS.6.RP.A.3B

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where y is the dependent variable and x is the independent variable.

Tags

CCSS.7.RP.A.2B

Front

What does it mean if a graph is non-proportional?

Back

A non-proportional graph does not have a constant ratio and does not pass through the origin.

Tags

CCSS.7.RP.A.2D

Front

If a table shows the following pairs: (1, 3), (2, 6), (3, 9), is it proportional?

Back

Yes, it is proportional because the ratio y/x is constant (3).

Tags

CCSS.7.RP.A.2A

Front

What is the slope of a proportional graph?

Back

The slope of a proportional graph is equal to the constant of proportionality.

Tags

CCSS.8.EE.B.5

Front

How can you tell if a set of data is proportional from a table?

Back

If the ratios of y to x are the same for all pairs, the data is proportional.

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 when traveling at a constant speed.

Tags

CCSS.7.RP.A.2A