Solving Proportionality

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

• unit rate

• ratio rate

• proportion answer

• rational number

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

Solve the proportion.

• q=2

• q=9

• q=4.5

• q=6

y=kx.  What does the k represent?

• constant of proportionality

• multiplier

• scale factor

• all of these are correct

What is the Constant of Proportionality?

• k=46

• k=92

• k=0.2

• not proportional

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $200 earned for every 2 hours worked
  is the unit rate

• $500 is earned for every 8 hours worked

• $300 is earned after working 4 hours

What is the equation?

• y=x/4

• y=4x

• y= x + 4

• y = x - 4

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality the relates cost in dollars, y, to the number of pounds of grapes, x?

• $6.09

• $20.36

• $8.12

• $28.36

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Ms. Bennett walked 7 miles (y) in 2 hours (x). What is the constant of proportionality?

• 3.5 miles per hour

• 7/2 miles per hour

• 7.2 miles per hour

• 3 miles per hour