Proportions vs Nonproportions

What is the constant of proportionality?

• 1

• 2

• 3

• 4

Is this table proportional or non-proportional?

• Non-Proportional because there is no COP

• Proportional because the COP is 4

• Non-Proportional because is does not go through the origin

Is this table proportional?

• yes because it will go through the origin and is a straight line

• no because the C.O.P. for each line is different

• yes because it increases by 1

• no because there is no origin

The distance a bicyclist travels is proportional with the number of hours. Using a proportion, solve for how long it will take to travel 228 miles

• 19

• 1.5833333

• 57

• 21.2

Solve for x 

• x = 1/10

• x = 10

• x = 4

• x = 5

Solve for x 

• x = 6

• x = 25

• x = 28

• x = 17

Solve for x 

• x = 98/5

• x = 5/98

• x = 101/5

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Solve the proportion.

• n=6

• n=24

• n=7

• n=8