8th Mod 3 Proportional Slopes

What variable is used for the constant of proportionality?

• m
• b
• k
• q

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality of this table?

• 1/3
• 0
• yes
• 3

Tags

CCSS.7.RP.A.2B

Amanda is riding her bike. She rode 40 miles in 2 hours, and 60 miles in 3 hours. Find the constant of proportionality for this situation.

• hours
• 40
• 20
• miles

Tags

CCSS.7.RP.A.2B

A factory is producing fidget spinners at a constant rate. After an 8 hour day they have produced 3400 spinners. At what rate are the spinners being produced?

• 3400 spinners
• 425 spinners per hour
• 8 hours
• 27200 spinners per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The formula for slope can be shown as

• Run over rise
• (y₂ - y₁) / (x₂-x₁) 
• m
• y=kx

Tags

CCSS.8.EE.B.5

Find the slope of the line.

• m = 2
• m = 0
• m = 1/2 
• does not exist

Tags

CCSS.8.EE.B.5

Find the slope of the line.

• m = 3
• m = bananas
• m = 1/3
• 5

Tags

CCSS.8.EE.B.5

A train is driving at a constant rate described by the equation d = 45t, where d is the distance in miles and t is the time in hours. Train B is traveling at the rate shown in the table. Which train is faster, why?

• Train A is traveling faster because The slope is 45.
• Train A is traveling faster because the slope is less.
• Train B is traveling faster because the rate of change is in a table.
• Train B is traveling faster because the slope of 50 is faster than the slope of 45.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Amanda earns $45 dollars for 3 hours of baby sitting. Andy earns $60 for 4 hours of lawn mowing. Who earns money at a faster rate?

• Andy because he makes more money.
• Amanda because she worked less.
• They have the same hourly rate.
• Money isn't real it doesn't matter. It only seems like it does.

Tags

CCSS.6.RP.A.3B

Anita can read 5 pages in 4 minutes. What is her reading rate?

• 4/5 pages
• 5/4 page per minute
• 20 pages
• yeah you

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2