2-3/2-4 Proportional Relationships

Does the table represent a proportional relationship?
How do you know? (answer on paper)

• yes
• no

Does the table represent a proportional relationship?

How do you know? (answer on paper)

• yes
• no

Does the graph represent a proportional relationship?

How do you know? (answer on paper)

• yes
• no

Does the graph represent a proportional relationship?

How do you know? (answer on paper)

• yes
• no

Which equation represents a proportional relationship?

• y = x + 3
• y = x - 9
• y = 7x
• y = 4x + 1

Tags

CCSS.7.RP.A.2C

Are the following ratios proportional?
3/4, 36/40

Show work on paper.

• yes
• no

Are the following ratios proportional?
8/10, 28/35

Show work on paper.

• yes
• no

y=kx.  What does the k represent?

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

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

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

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

• x
• y
• 1/2
• 2