Tables, Graphs, & Equations of Proportional Relationships

Front

What is the formula for a proportional relationship?

Back

y = kx

Front

How many tablespoons of honey are needed for 20 cups of flour if the ratio is 1 tbsp honey for every 5 cups of flour?

Back

4 tablespoons

Front

Does this graph represent a proportional relationship? (Graph shows a straight line through the origin)

Back

Yes

Front

Does this graph represent a proportional relationship? (Graph shows a straight line not through the origin)

Back

No

Front

Does the table represent a proportional relationship? (Table shows values: (1,2), (2,4), (3,6), (4,8))

Back

Yes

Front

What is a key characteristic of a proportional relationship?

Back

The ratio between the two quantities is constant.

Front

If y = 3x, what is the value of y when x = 4?

Back

y = 12

Front

What does the slope represent in a graph of a proportional relationship?

Back

The constant of proportionality (k).

Front

If a table shows the values (2, 5), (4, 10), (6, 15), does it represent a proportional relationship?

Back

Yes

Front

What is the constant of proportionality in the equation y = 5x?

Back

5