Direct Variation

Front

What is Direct Variation?

Back

Front

Back

'k' is the constant of proportionality, indicating how much one variable changes in relation to the other.

Tags

CCSS.HSF-LE.A.1B

Front

Is the relationship in the table a direct variation if the values do not maintain a constant ratio?

Back

No, if the values do not maintain a constant ratio, it is not a direct variation.

Front

What is the equation format for direct variation?

Back

Front

How do you find the constant of proportionality 'k'?

Back

Tags

CCSS.HSF-LE.A.1B

Front

If y = 8 when x = 1, what is the constant of proportionality 'k'?

Back

k = 8.

Tags

CCSS.HSF-LE.A.1B

Front

If y = 4 when x = 2, is this a direct variation?

Back

Front

What is the constant of variation if y = 10 when x = 5?

Back

k = 2.

Tags

CCSS.HSF-LE.A.1B

Front

If the relationship between two quantities is not linear, can it still be a direct variation?

Back

No, direct variation must be linear.

Front

What is an example of a direct variation equation?

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