Linear Relationships 2023

Match the following graphs with the appropriate description.

• not linear

• 
• linear, but not proportional

• 
• linear and proportional

• 

Linear relationships have ​ (a)   .

• a constant rate of change
• to pass through the origin
• to be increasing
• to be about movie tickets

Proportional relationships have to be ​ (a)   and ​ (b)   .

• linear
• pass through the origin
• curvy lines
• about apples
• very steep

Match the following ratios with an equivalent ratio.

• 20 : 40

• 4 to 5

• 15 to 6

• 60 : 10

• 3 to 5

Choose the proportional relationship.

• 
• 
• 
• 

Jessica gets 5 extra credit points for every news article she writes for the school news paper. The ​ (a)   depends on ​ (b)   .

• number of points she gets
• number of articles she writes

According to the graph above, 5 bags of luggage weighs 150 pounds.

• True
• False

In the graph above, the x-axis represents the number of downloads.

• True
• False

What is the constant of proportionality?

• $3
• $4
• $2
• $9

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute