Proportional Tables and Graphs

Proportional Tables and Graphs

Assessment

Flashcard

Mathematics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

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.

2.

FLASHCARD QUESTION

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant ratio in a proportional relationship, often represented as 'k' in the equation y = kx.

3.

FLASHCARD QUESTION

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total amount by the number of units. For example, if 3 pounds of apples cost $3.60, the unit rate is $3.60 ÷ 3 = $1.20 per pound.

4.

FLASHCARD QUESTION

Front

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

Back

If a graph goes through the origin (0,0), it indicates a proportional relationship between the two variables.

5.

FLASHCARD QUESTION

Front

What is a non-proportional relationship?

Back

A non-proportional relationship is when the ratio between two quantities is not constant, and the graph does not pass through the origin.

6.

FLASHCARD QUESTION

Front

Write the equation for a proportional relationship where y is 19.25 times x.

Back

y = 19.25x

7.

FLASHCARD QUESTION

Front

If a table shows a constant ratio of 45, what does this represent?

Back

This represents the constant of proportionality, indicating that for every unit increase in x, y increases by 45.

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