Desmos Proportional Relationships

Is this function linear or nonlinear?

(Use desmos.com/graphing to graph!)

• Linear

• Nonlinear

What can you multiply the time by to get the distance?

• 80

• 20

• 40

• 160

Nancy can type 50 words per minute. Look at the table below to write an equation that matches the data.

• m=50 + w

• w= 50m

• w= 50 + m

• m= 50 - w

Is the graph proportional or non proportional?

• non-linear

• linear

Answer the following questions.

c

d

g

i

f

yes

1,500

10,500

10

y = 1500x

y=10x

100

no

y=4500x

4500

Which situation represents a proportional relationship?

Select the correct answer ○ in each row.

A family makes homemade pickles. They pick the pickles at a rate of 80 pickles per 5 jars. Which answer choices best represent packing y pickles in x jars at that rate? Select TWO correct answers.

What is k in this proportional relationship?

• 60 

• 120

• 1

• 180

The table is​ ​ (a)   , because it ​ (b)   a constant ratio.

If so, what is the constant of proportionality?​ (c)  

• non-proportional

• proportional

• does not have

• has

• no constant

• k=14

Answer explanation

A proportional relationship means that two quantities maintain a constant ratio. In this case, the relationship does not exhibit a constant ratio, hence the answer is No.

What can you multiply by x to get to y?

• 6

• 1/6

• -6

• -1/6