Proportions Vocabulary

Proportions Vocabulary

Assessment

Flashcard

Mathematics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the ratio that compares the change in y (dependent variable) to the change in x (independent variable)?

Back

rate of change

2.

FLASHCARD QUESTION

Front

What is the rational number that describes the proportional relationship between two variables, represented by the letter k in the equation y=kx?

Back

constant of proportionality

3.

FLASHCARD QUESTION

Front

What is an equation in which two ratios are set equal to one another?

Back

proportion

4.

FLASHCARD QUESTION

Front

What is the result of multiplying the numerator of one ratio by the denominator of another, and if the products are equal, the ratios are proportional?

Back

Cross Products Property of Proportions

5.

FLASHCARD QUESTION

Front

What is a rate for ONE of something, always written as a ratio with a denominator of ONE?

Back

unit rate

6.

FLASHCARD QUESTION

Front

What is the formula for calculating the constant of proportionality in a direct variation?

Back

k = y/x

7.

FLASHCARD QUESTION

Front

How can you determine if two ratios are proportional using cross products?

Back

If the cross products are equal, the ratios are proportional.

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