Comparing Constant of Proportionality

Select all true statements

• A is not proportional but B is

• both pass through (0,0)

• y = 3x is the equation for table A

• y = 4x is the equation for table B

• if graphed, these tables would make the same line

Does this graph represent this table?

• yes

• no

Write an equation for this relationship.

• y=18x

• y=18.50x

• y=22.50x

• y=22x

Is this table proportional?

• Yes

• No

Write an equation for this situation.

• y=9.75x

• y=19x

• y=19.25x

• y=9.5x

Which line shows a proportional relationship between x and y?

• Line L

• Line M

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

• y

• x

• 14

• y=14

Is this equation y = 14x showing proportionality?

• yes

• no

In a proportional relationship, the constant ratio is called the

• constant of proportionality

• proportion

• unit rate

Which of the following is true about the constant of proportionality? Select all that apply.

• The constant of proportionality is also the unit rate.

• The constant of proportionality is always equal to 1.

• The constant of proportionality is always equal to 0.

• There is no constant of proportionality in a nonproportional relationship.

• If two quantities are proportional, the constant of proportionality is the constant ratio

  between them.