y=kx Review

y=kx Review

Assessment

Flashcard

Mathematics

8th Grade

Hard

CCSS
HSF-LE.A.1B, 7.RP.A.2B, 8.EE.B.6

+6

Standards-aligned

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What does the equation y = kx represent?

Back

It represents a direct variation where y is directly proportional to x, with k being the constant of proportionality.

2.

FLASHCARD QUESTION

Front

What is the constant of proportionality in the equation y = 19.25x?

Back

The constant of proportionality is 19.25.

Tags

CCSS.7.RP.A.2B

3.

FLASHCARD QUESTION

Front

If y = 45x, what is the value of y when x = 2?

Back

y = 90.

Tags

CCSS.6.EE.C.9

4.

FLASHCARD QUESTION

Front

What is the formula to find the constant of proportionality (k)?

Back

k = y/x.

Tags

CCSS.7.RP.A.2B

5.

FLASHCARD QUESTION

Front

In the equation y = kx, if k = 0.20, what is the relationship between y and x?

Back

y is 20% of x.

Tags

CCSS.HSF-LE.A.1B

6.

FLASHCARD QUESTION

Front

What does k represent in the context of direct variation?

Back

k represents the constant of proportionality.

Tags

CCSS.HSF-LE.A.1B

7.

FLASHCARD QUESTION

Front

If the constant of proportionality is 40, what is the equation for y when x = 5?

Back

y = 200.

Tags

CCSS.HSF-LE.A.1B

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