Proportionality

Front

A graph is proportional if...

Back

It is straight and it passes through the origin.

Tags

CCSS.7.RP.A.2D

Front

How do you find the constant of proportionality for a graph?

Back

Pick a point on the line and use the formula y/x.

Tags

CCSS.7.RP.A.2B

Front

What is the constant of proportionality for the following graph? (If y = 10x)

Back

10

Tags

CCSS.7.RP.A.2B

Front

Does this graph show a proportional relationship? (If it is a straight line but does not pass through the origin)

Back

No, it is not.

Tags

CCSS.7.RP.A.2D

Front

What is the unit rate for the following graph? (If y = 6x)

Back

6.

Tags

CCSS.7.RP.A.2D

Front

Define proportionality in mathematics.

Back

Proportionality refers to the relationship between two quantities where their ratio remains constant.

Tags

CCSS.7.RP.A.2A

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where k is the constant of proportionality.

Tags

CCSS.7.RP.A.2B

Front

What does it mean if a graph passes through the origin?

Back

It indicates that when x = 0, y = 0, showing a proportional relationship.

Tags

CCSS.7.RP.A.2D

Front

Give 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

Front

What is the slope of a proportional graph?

Back

The slope represents the constant of proportionality.

Tags

CCSS.7.RP.A.2D