Proportional Relationships from a Graph

What is the equation y=kx for the table?

• y=1/3x

• y=3x

• y=5x

• y=1/5x

Which equation matches the graph?

• y = 7x

• y = 42x

• y = 6x

• y = 2x

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

Using the graph above, determine the constant of proportionality.

• k = 0

• k = 1

• k = 3

• k = 6

The table shows the weight in pounds of objects on earth compared to objects on the moon.  If an object on earth weighs 42 lbs, what is its weight on the moon?

• 7 lbs

• 12 lbs

• 84 lbs

• 252 lbs

The time in hours, h, it takes to hike in miles, m, is displayed in the graph above.  What is the constant of proportionality? 

• 1

• 2

• 5/6

• 6/5

Using the table above, determine the equation of the line.

• y = 5x

• y = 10x

• y = 1/5 x

• y = 1/10 x

The cost, c, of potato salad by its weight in pounds, p, at a deli is given in the table above.  Which equation best models this data.

• c = .29p

• c = 3.5p

• p = .29c

• p = 3.5c

What is the constant of proportionality based on the table above?

• 1/75

• 75

• 1

• 0

The time in minutes it takes a sloth to move a certain distance in feet is shown in the graph above.  How far can a sloth move in 5 minutes?

• 1 foot

• 10 feet

• 20 feet

• 30 feet