Data Representation

Which of the given graphs is a direct proportion?

• A

• B

• C

• D

Which graph represents an inverse proportion relationship?

• 
• 
• 
• 

Which statement best describes an inverse proportion relationship between y and x?

• y increases then x will decrease

• y increases then x will increase

• y increases then x will remain the same

• y decreases then x will decrease

Is this a direct proportion?

y=2x

• Yes

• No

What is the general trend of this line graph?

• The more you mow, the less money you make.
• You make the same amount of money regardless of how long you mow.
• The more you mow, the more money you make.
• Mowing is dangerous.

A restaurant recorded the number of pizzas sold each month for one year. The data are shown in the graph below. During which month did the restaurant sell 40 pizzas?

• March

• May

• July

• August

At what rate did the temperature decrease between the 20th and 25th minutes of the experiment?

• 10°C in 5 min

• 10°C in 10 min

• 5°C in 5 min

• 5°C in 10 min

Which month had the biggest difference between the high and low temperatures?

• January

• April

• October

• November

The X axis is _______?

• vertical
• diagonal
• criss-cross
• horizontal

The Y axis is _______?

• Vertical
• Horizontal
• criss-cross
• diagonal