Ratios and Proportional Reasoning Vocab

Is the table proportional?

• Yes

• No

Is the graph proportional?

• yes

• no

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Which statement about this graph is most true?

• It is proportional.

• The cleaner uses 1 cup of vinegar to every 2 cups of cleaner

• The cleaner uses 2 cups of vinegar for every 4 cups of cleaner

• All of the above.

Is this table proportional?

• Yes

• No

Name the constant of proportionality.

• 8

• 16

• 6

• 3

• 12/3 = 16/p
• 12/16 = 3/p
• 12 + 16 = 3 + p
• 3/4 = 3/p

There are 8 teacher and 40 students going on a field trip. If 20 more students decided to go on the field trip, then how many more teachers must go to keep it proportional?

• 5 more teachers

• 4 more teachers

• 2 more teachers

• none

Which is true about the graph?

• The insurance company pays $30 for every $20 the patient pays, making the slope of the graph ³/₂

• The insurance company pays $10 for every $10 the patient pays, making the slope of the graph 1

• The insurance company pays $30 for every $20 the patient pays, making the slope of the graph ¹/₂

• The insurance company pays $30 for every $10 the patient pays, making the slope of the graph ³/₂

If I can buy 5 pencils for $2.15, what is the unit rate or constant of proportionality or the price per pencil?

• $2.33

• $2.32

• $0.43

• $0.45