Math 7 Weekly Flashcardizz #18 2024-25

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

How do you write an equation for a proportional relationship?

Back

An equation for a proportional relationship can be written in the form y = kx, where k is the constant of proportionality.

Front

What does the unit rate represent in a proportional relationship?

Back

The unit rate represents the constant ratio between two quantities, indicating how much of one quantity corresponds to one unit of the other.

Front

If Nancy types 50 words per minute, how would you express the number of words (w) typed in m minutes?

Back

w = 50m

Front

What is the equation for a table where y is three times x?

Back

y = 3x

Front

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

Back

A table represents a proportional relationship if the ratios of corresponding values are constant.

Front

What is the significance of the origin in a proportional graph?

Back

In a proportional graph, the line passes through the origin (0,0), indicating that when one quantity is zero, the other is also zero.

Front

What does it mean if a table is not proportional?

Back

A table is not proportional if the unit rate is not constant or if it does not pass through the origin.

Front

If Taylor can write 25 words per minute, how many words can he write in 10 minutes?

Back

Taylor can write 250 words in 10 minutes (25 words/minute * 10 minutes).

Front

What is the equation for a proportional relationship where the unit rate is 1/2?

Back

y = 1/2x