Finding Constant Rate

The rate of change is

Mathematical Equivalence

ON

Choose the correct answer from each drop down menu to complete the statement. The rate of change of y with respect to x for this function is ​ (a)   ​ ​ (b)  

• negative

• positive

• 2

• 4

The rate of change is

Mathematical Equivalence

ON

The rate of change is

Mathematical Equivalence

ON

What is the constant of proportionality? 

• 45 mph

• 90 mph

• 135 mph

• 2 mph

A proportional relationship can be written as an equation in the form:

• y = k+x

• y = k-x

• y = kx

• y = k/x

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

A box of cereal cost $3.59 for 30 oz. How much is the unit rate per ounce? Round to the nearest cent.

• 11 cents

• 12 cents

• 13 cents

• 10 cents

What makes a graph proportional?

• Straight line

• The line goes through the origin

• Curvy line

• Straight line and the line goes through the origin

Write the equation for the table given.

• y = 1/3x

• y = 3x

• y = 1/2x

• y=x