Direct and Inverse Variation

Question 1

If y varies directly with x, the constant of variation is .

Revolt · Accepted Answer

5

Question 2

The equation representing this relationship is .

Revolt · Accepted Answer

y = 5x

Question 3

Consider the table of values. | If y varies directly with x, the constant of variation is . | The equation representing this relationship is . | What is the value of y when x = 11?

Revolt · Accepted Answer

55

Question 4

D =

Revolt · Accepted Answer

0.5

Question 5

Does the relationship between x and y represent direct or inverse variation? What is the constant of variation?

Revolt · Accepted Answer

direct variation; k =

Question 6

A musical instrument has a pitch of 220 hertz when the wavelength is 3 feet. When the wavelength is 4 feet, the pitch is 165 hertz. | What is the type of variation between pitch and wavelength? | What is the pitch when the wavelength is 5 feet? | hertz

Revolt · Accepted Answer

inverse variation

Question 7

A =

Revolt · Accepted Answer

0.5

Question 8

hertz

Revolt · Accepted Answer

132

Question 9

B =

Revolt · Accepted Answer

4.5

Question 10

C =

Revolt · Accepted Answer

1.5

Direct and Inverse Variation Answers

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