Constant of Proportionality

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Tags

CCSS.7.RP.A.2B

Write the equation for the table given.

• y = 16x
• y=8x
• y=12x

Tags

CCSS.5.OA.B.3

What is the constant of proportionality for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.7.RP.A.2B

Which graph shows a proportional relationship?

• A
• B
• C
• D

Tags

CCSS.7.RP.A.2D

Which statement matches the graph?

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute

Tags

CCSS.7.RP.A.2D

Which of the following rates of change (COP) represents the graph shown?

• 2 boys for every 1 girl

• 0.5 boys for every 1 girl

• 6 boys for every 1 girl

• 3 boys for every 1 girl

Tags

CCSS.7.RP.A.2D

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)

Tags

CCSS.7.RP.A.2B

Which graph is proportional?

• A
• B
• C and D
• All of the graphs are proportional

Tags

CCSS.7.RP.A.2D

What makes a graph proportional?

• Straight line
• The line goes through the origin
• Curvy line
• Straight line and the line goes through the origin

Tags

CCSS.7.RP.A.2D

A box of cereal cost $3.59 for 30 oz. What is the constant of proportionality in dollars per ounce? Round to the nearest cent.

• 11 cents

• 12 cents

• 13 cents

• 10 cents

Tags

CCSS.7.RP.A.2B