Directly Proportional

What is the equation y=kx for the table?

• y=1/3x

• y=3x

• y=5x

• y=1/5x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• 6

• 12

• 1/6

• 1/12

• none (not proportional)

Tags

CCSS.7.RP.A.2B

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.

• After 94 weeks, they save $2.

• After 1 week, they save $47.

• After 2 weeks, they save $94.

Tags

CCSS.HSF.LE.B.5

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Tags

CCSS.7.RP.A.2D

In the graph above, what does point (0,0) mean?

• If you have spent no time traveling, you have gone no kilometer.

• The trip did not cost you any money.

• If you travel, then you cover a few kilometers.

Tags

CCSS.8.EE.B.5

What makes a graph proportional?

• Straight Line

• The line goes through (0,0)

• Curvy line

• Straight line and passes through (0,0)

Tags

CCSS.7.RP.A.2D

What does k represent in the equation y = kx?

• independent variable

• constant of proportionality

• dependent variable

• krispy kreme

Tags

CCSS.7.RP.A.2C

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality that relates cost in dollars, y, to the number of pounds of grapes, x?

• 6.09

• 20.36

• 8.12

• 28.36

Tags

CCSS.7.RP.A.2B

Which representation shows a proportional relationship between x and y?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2D