Constant of Proportionality Quiz

If y varies directly with x, and y = 6 when x = 2, what is the constant of proportionality?

• 2

• 4

• 8

• 3

If y varies directly with x, and y = 15 when x = 5, what is the constant of proportionality?

• 5

• 10

• 20

• 3

If y varies directly with x, and y = 9 when x = 3, what is the constant of proportionality?

• 6

• 15

• 3

• 12

If y varies directly with x, and y = 12 when x = 4, what is the constant of proportionality?

• 4

• 3

• 6

• 8

If y varies directly with x, and y = 20 when x = 10, what is the constant of proportionality?

• 5

• 2

• 10

• 15

If y varies directly with x, and y = 18 when x = 6, what is the constant of proportionality?

• 2

• 4

• 3

• 5

If y varies directly with x, and y = 24 when x = 8, what is the constant of proportionality?

• 6

• 12

• 18

• 3

If y varies directly with x, and y = 30 when x = 12, what is the constant of proportionality?

• 0.5

• 5

• 10

• 2.5

If y varies directly with x, and y = 36 when x = 9, what is the constant of proportionality?

• 6

• 4

• 8

• 10

If y varies directly with x, and y = 42 when x = 14, what is the constant of proportionality?

• 7

• 21

• 3

• 35