FLASHCARD Proportional Relationships

Front

Which of the following tables represents a proportional relationship?

Back

Front

Constant of proportionality in the table: k = 85, k = 95, k = 190, k = 125

Back

k = 95

Front

Back

Front

Which of the following graphs does not represent a proportional relationship?

Back

Front

Is there a proportional relationship between x and y?

Back

YES

Front

The table shows the relationship between the number of miles traveled, y, and the number of gallons of gas used, x.

Which equation best represents the relationship?

Options: y = 7.6x, y = 0.013x, y = 684x, y = 76x

Back

y = 76x

Front

The graph shows the amount of money that Janice saves each week from her summer job. Which best represents the unit rate? Options:

(0 , 0)

,

(1, 200)

,

(200, 1)

,

(2, 200)

Back

(1, 200)

Front

The table represents some points on a linear function. Which situation can be modeled by this function?

• The cost of buying 1 pair of shoes for $84.
• The cost of using 1 gallon of gas for $76.
• The cost of buying 5 pairs of shoes for $76.
• The cost of purchasing 11 pairs of shoes for $228.

Back

The cost of using 1 gallon of gas for $76.

Front

Which of the following situations represents a proportional relationship?

• A pizza is $7.95 plus $1.00 for each topping
• A pool fills at a rate of 90 gallons per hour
• A health club charges a $40 membership fee plus $25 per month
• A bank account begins with $350 and gains $30 per month

Back

A pool fills at a rate of 90 gallons per hour

Front

Equation representing the relationship between points (0, 0) and (4, 11) on a graph.

Back