Recognising and representing proportional relationships between quantities

Write an equation that represents the relationship between the weight(x) and the cost(y).

• y = 1/2 x

• y = 1/4 x

• y = 2x

• y = 4x

Tags

CCSS.7.RP.A.2D

A recipe for salad dressing calls for 3 tablespoons of oil for every 2 tablespoons of vinegar. The line represents the relationship between the amount of oil and the amount of vinegar needed to make salad dressing according to this recipe. The point (1, 1.5) is on the line. What would you label the y-axis?

• salad

• dressing

• oil

• vinegar

Tags

CCSS.7.RP.A.2D

Which of the following graphs demonstrates a proportional relationship? (Select ALL that apply)

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2D

Which is the graph of the line y=1.5x?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2D

Is the graph linear, exponential or neither?

• Linear
• Exponential
• Neither

Tags

CCSS.7.RP.A.2D

Identify the following as vertical, horizontal or neither

A line that has an undefined slope

• Vertical

• Horizontal

• Neither

Tags

CCSS.7.RP.A.2D

What is the slope of this graph?

• Slope is 4

• Slope is 0

• Slope is undefined

• Slope is 6

Tags

CCSS.7.RP.A.2D

Determine if the graph represents a proportional relationship.

• Yes it does.

• No it does not.

Tags

CCSS.7.RP.A.2D

Micah started 10 blocks from home and walked back at a constant rate of 2 blocks per minute.

• Proportional she started at the origin

• Nonproportional she did not start at the origin

Tags

CCSS.7.RP.A.2D

Which statement matches the graph?

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

Tags

CCSS.7.RP.A.2D