Constant of Proportionality

The first number in an ordered pair of numbers that corresponds to a point on a coordinate system is the

• x value

• y value

• constant of proportionality

• unit rate

Tags

CCSS.6.NS.C.6C

The second number in an ordered pair of numbers that corresponds to a point on a coordinate system is the

• x value

• y value

• constant of proportionality

• rate

Tags

CCSS.6.NS.C.6C

A constant of proportionality can also be considered a(n)

• unit rate

• x value

• y value

• ratio

Tags

CCSS.7.RP.A.2B

Jayden bought 750 bags of peanuts for $375.00. He intends to sell each bag for $0.15 more than he paid. How much should he charge for each bag?

• $0.35

• $0.50

• $0.55

• $0.65

Tags

CCSS.7.EE.B.3

Sayuri noticed that the graph of the sales of yearbooks represented a proportional relationship. How could she have calculated the constant of proportionality by looking at the graph?

• She could divide any y-value by its corresponding x-value.

• She could divide any x-value by its corresponding y-value.

• She could add any y-value to its corresponding x-value.

• She could subtract any x-value from its corresponding y-value.

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality in the table?

• 1

• 2

• 4

• 3

Tags

CCSS.7.RP.A.2B

Lenora’s family is driving out of state to her grandmother’s house. They know that it takes 20 gallons of gas to get there, and the cost of three gallons of gasoline is $10.50. How much should the family budget to make the one-way trip?

• $20

• $60

• $70

• $110

Tags

CCSS.6.RP.A.3B

Devanta made a batch of pancakes for his guests. He used 6 cups of milk, 3 eggs, and 9 cups of pancake mix. What is the constant of proportionality for the ratio of pancake mix to milk?

• 2/3

• 6/9

• 3/2

• 9/6

Tags

CCSS.7.RP.A.2B

The graph shows a proportional relationship between the number of books sold at a yard sale and the amount of money collected from book sales. What is the constant of proportionality?

• 0.67

• 1

• 1.5

• 2

Tags

CCSS.7.RP.A.2B

Sharon graphed the formula for converting weight from kilograms to pounds. If an item weighs 45 kilograms, what is its weight in pounds?

• 20

• 63

• 90

• 99

Tags

CCSS.6.RP.A.3D