Proportionality, constant of proportionality

Front

What is proportionality?

Back

Proportionality is a relationship between two quantities where their ratio remains constant.

Tags

CCSS.7.RP.A.2A

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities, expressed as y = kx.

Tags

CCSS.7.RP.A.2B

Front

Solve the equation: x/3 = 4

Back

x = 12

Tags

CCSS.6.EE.B.7

Front

Solve the equation: 5x = 25

Back

x = 5

Tags

CCSS.6.EE.B.7

Front

Solve the proportion: 2/4 = q/8

Back

q = 4

Tags

CCSS.7.RP.A.2B

Front

What is the equation of a proportional relationship?

Back

y = kx, where k is the constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

Is the table of values proportional if (1,2), (2,4), (3,6) are included?

Back

Yes, it is proportional because the ratio of y to x is constant (2).

Tags

CCSS.7.RP.A.2B

Front

What does it mean if a relationship is non-proportional?

Back

A non-proportional relationship does not have a constant ratio between the quantities.

Tags

CCSS.7.RP.A.2B

Front

If y = 3x, what is the constant of proportionality?

Back

The constant of proportionality is 3.

Tags

CCSS.7.RP.A.2B

Front

Solve the proportion: 3/9 = q/27

Back

q = 9

Tags

CCSS.7.RP.A.2B