constant of proportionality equation

What does k represent in the equation y = kx?

• constant rate of change
• constant of proportionality
• the equation
• x/y

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.SP.A.3

What is the formula for a proportional relationship?

• y=kx
• y=k/x
• z=ykx
• y=ky

Tags

CCSS.7.RP.A.2C

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

The constant of proportionality in the equation y = ½x is _______. 

• x
• y
• 1/2
• 2

Tags

CCSS.7.RP.A.2B

If the constant of proportionality is 10, which of the following is the correct proportional equation?

• 10=kx
• 10=k
• y=10k
• y=10x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

What is the EQUATION for this table?

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.B.4

What is the EQUATION for this table?

• y=1/3x

• y=3x

• y=5x

• Not proportional

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

Write the equation for the table given.

• y = 16x

• y=8x

• y=12x

• not proportional

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.B.4

What is the EQUATION for this graph?

• y=80x

• y=20x

• y=40x

• y=160x

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

What is the EQUATION for this graph

• y=9/3x

• y=6x

• y=9x

• y=3x

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4