Equation of Proportional Relationships

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.

• After 94 weeks, they save $2.

• After 1 week, they save $47.

• After 2 weeks, they save $94.

What is the equation?

• y = (1/2)x

• y = 2x

• y = 2 / x

• y = 2x + 1

What is the equation?

• y = 60x

• y = 120x

• y = (1/60)x

• y = 1x + 60

What is the equation?

• y = 2x

• y = 1x

• y = (1/2)x

• y = 4x

What is the constant of proportionality for this table?

• 1/9

• 9

• 8

What makes a graph proportional?

• Linear

• The line goes through the origin

• Curvy line

• Linear and the line goes through the origin

What is the constant of proportionality? Remember to simplify your answer.

• k=9/3

• k=6

• k=9

• k=3

• y=1

What is the constant of proportionality? Remember to simplify your answer.

• k=5

• k=6

• k=30

• k=1

Which graph is non-proportional?

• A

• B

• C

• D

Which of the following rates of change represents the graph shown?

• 2 boys for every 1 girl

• 0.5 boys for every 1 girl

• 6 boys for every 1 girl

• 3 boys for every 1 girl