Chapter 3 Proportional Relationship Desmos

• y = 1/5x

• y = 5x

• y = 1/2x

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CCSS.8.EE.B.5

Write the equation of the proportional relationship using the format y = kx.

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CCSS.7.RP.A.2C

What is the constant of proportionality? Use the format k = 2.

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CCSS.7.RP.A.2B

Is the graph proportional?

• Yes

• No

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CCSS.7.RP.A.2D

Two quantities are ​ (a)   if the ratios comparing them are equivalent.

• proportional

• nonproportional

• constant of proportionality

• proportion

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CCSS.7.RP.A.2A

A graph shows a straight line that passes through the points (0,0) and (5,15). What is the equation of the line that represents this proportional relationship?

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CCSS.8.EE.B.5

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

• 3 : 8

• 3 : 5

• 2 : 8

• 2 : 5

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the constant of proportionality?

• k = 3

• k = 1/3

• k = 3x

• k = 1/3x

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CCSS.7.RP.A.2B

Write an equation for the relationship between x and y. Use format y = kx.

Tags

CCSS.7.RP.A.2C

Select all graphs that represent proportional relationships.

• 
• 

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CCSS.7.RP.A.2D