Proportionality from Graphs, Tables and Equations

Which of the following represents the constant of proportionality in the table below?

• k = 85

• k = 95

• k = 190

• k = 125

Tags

CCSS.7.RP.A.2B

The total number of eggs , y, contained in x cartons can be represented by the equation y = 12x. Which of the following graphs best represents this situation?

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Tags

CCSS.8.EE.B.5

Which of the following equations best represents the relationship between x and y?

• y = -2x

• y = 2x

• y = ½x

• y = -½x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

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

• y = 100x + 200

• y = 200x + 100

• y = 200x + 150

• y = 150x + 200

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

• The cost of buying x number of concert tickets for $76 each.

• The number of pages y that can be read in 76 minutes.

• The number of gallons of fuel x that can be used to travel 228 miles.

• The amount of money spent from a savings account with y dollars.

Tags

CCSS.HSF-LE.A.1B

Which graph best represents the equation y = 1.5x - 2?

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Marcy has earned 18 reward points at the movie theater and will earn 3 points for each additional movie. Which equation represents the relationship between y, the total points, and x the number of movies?

• y = 18 + 3x

• y = 3x - 18

• y = 18 - 3x

• y = 18x + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equations below represent a proportional relationship? Select all that apply.

• c = 8.95t + 3

• c = 8.95t

Tags

CCSS.7.RP.A.2C

Which of the following tables represents a proportional relationship?

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Tags

CCSS.7.RP.A.2A

Which of the following represents the constant of proportionality in the table?

• k = 85

• k = 95

• k = 190

• k = 125

Tags

CCSS.7.RP.A.2B