January 14th( 7.RP1&2)

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.

Front

What does it mean if a graph is a straight line through the origin?

Back

It indicates that the relationship between the two variables is proportional.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio of one quantity to another in a proportional relationship.

Front

How do you determine if a graph represents a proportional relationship?

Back

Check if the graph is a straight line that passes through the origin.

Front

What does the point (8, 2) represent in a real-world context?

Back

It can represent 8 petals and 2 daisies, indicating a specific ratio.

Front

How do you calculate the unit rate?

Back

The unit rate is found by dividing the quantity of one variable by the quantity of another variable.

Front

What is the unit rate if 35 items cost $105?

Back

The unit rate is $3 per item.

Front

If a graph shows a constant ratio of 1/3, what does this imply?

Back

It implies that for every 1 unit of the first quantity, there are 3 units of the second quantity.

Front

What is the significance of the point (0,0) in a proportional graph?

Back

It signifies that when there is no input, there is no output, which is characteristic of proportional relationships.

Front

How can you express a ratio in simplest form?

Back

By dividing both terms of the ratio by their greatest common divisor.