Sponge Sept 27

In order for a graph to represent a direct variation the line must be straight and go through the _________.

• y-axis
• origin
• x-axis
• 1st quadrant

Tags

CCSS.7.RP.A.2D

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

A proportional relationship can be written as an equation in the form ____ = _____  _____

• y = k+x
• y = k-x
• y = kx
• y = k/x

Tags

CCSS.7.RP.A.2C

y=kx.  What does the k represent?

• constant of proportionality
• multiplier
• scale factor
• all of these are correct

What is the constant of proportionality?

• y=5x
• y=6x
• y=30x
• y=jfoiwuyr98q27r98 

Is this table proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2A

Is this graph proportional?

• Yes
• No

Write the equation for the table given

• y = 1/3x
• y = 3x
• y = 1/2x

Tags

CCSS.6.EE.C.9

What is the constant of proportionality for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.7.RP.A.2B

Which equation matches the graph?

• y = 8x
• y = 1x
• y = 3x
• y = 16x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3