Chapter 3 Proportional Relationship Desmos

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

How much money does Miguel save per month?

• 15 dollars per month

• 30 dollars per month

• He does not save any money.

Evan bought 5 pounds of bananas for $10. Christy bought 6 pounds of bananas for $9. Who has the better deal?

• Christy

• Evan

What makes a graph proportional?

• Straight Line

• The line goes through (0,0)

• Curvy line

• Straight line and passes through (0,0)

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

• y=14

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 unit rate if the rate is 30 laps for 10 minutes.

• 3 laps per minute

• 10 laps per minute

• 15 laps per minute

• 10 laps per two minute

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