Proportions

Proportions

Assessment

Flashcard

Mathematics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

2.

FLASHCARD QUESTION

Front

How do you find the constant of proportionality?

Back

The constant of proportionality is found by dividing one quantity by the other in a proportional relationship.

3.

FLASHCARD QUESTION

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.

4.

FLASHCARD QUESTION

Front

If 2 apples cost $20, what is the cost of 1 apple?

Back

The cost of 1 apple is $10.

5.

FLASHCARD QUESTION

Front

How do you determine if two ratios form a proportion?

Back

Two ratios form a proportion if their cross products are equal.

6.

FLASHCARD QUESTION

Front

What is the formula for direct variation?

Back

The formula for direct variation is y = kx, where k is the constant of proportionality.

7.

FLASHCARD QUESTION

Front

If a car travels 280 miles in 7 hours, what is its speed in miles per hour?

Back

The speed is 40 miles per hour.

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