C.O.P.

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

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

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

What makes a graph proportional?

• Straight line

• The line goes through the origin

• Curvy line

• Straight line and the line goes through the origin

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

What is the constant of proportionality for the following graph?

• 80
• 20
• 40
• 160

What is the constant of proportionality of the graph above?

• 16
• 1/16
• 1
• None of the above

Which statement best describes this situation?

• Kevin earns $16.50 per hour.

• Kevin earns $8.00 per hour.

• Kevin earns $8.25 per hour.

• Kevin earns $8.50 per hour.

Which of the tables above has a constant of proportionality of $0.20?

• A & B
• A
• B
• All of them

Is this table proportional?

• Yes
• No

The constant of proportionality of this graph is k = 45. What does it mean?

• The boat travels for 45 miles for every 45 hours

• The boat travels 1 mile for every 45 hours

• The boat travels 45 miles for every 1 hour

• The boat travels 1/45 mile for every 1 hour