7R Unit 3 Proportional Relationships Test Review

7R Unit 3 Proportional Relationships Test Review

Assessment

Flashcard

Mathematics

7th Grade

Hard

Created by

Wayground Content

FREE Resource

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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 quantity is constant.

2.

FLASHCARD QUESTION

Front

Define the constant of proportionality.

Back

The constant of proportionality is the constant value of the ratio of two proportional quantities, 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 quantity by the number of units. For example, if 10 apples cost $5, the unit rate is $5/10 apples = $0.50 per apple.

4.

FLASHCARD QUESTION

Front

What does the term 'ratio' mean?

Back

A ratio is a comparison of two quantities by division, often expressed as 'a to b' or a:b.

5.

FLASHCARD QUESTION

Front

How can you represent a ratio using fractions?

Back

6.

FLASHCARD QUESTION

Front

What is the formula for finding the cost based on a unit rate?

Back

The formula is: Total Cost = Unit Rate × Quantity. For example, if the unit rate is $0.35 per ounce and you buy 20 ounces, the total cost is $0.35 × 20.

7.

FLASHCARD QUESTION

Front

What is the significance of the point (1, k) on a graph of a proportional relationship?

Back

The point (1, k) represents the constant of proportionality, where 'k' is the value of the output when the input is 1.

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