Slope of Proportional Relationships

Sandra draws a graph representing the relationship between time and distance on her morning run. She wants to show her coach that her rate in minutes per mile was the same for the entire run. Is she correct?

• Yes, she runs 6 miles per minute

• No, it is not a constant increase

• Yes, she runs for 3 minutes

• Yes, each 6 minutes, she runs 1 mile

The letter that represents slope is ______

• a

• m

• x

• y

What is the slope of a line that goes through the points (2,8) and (3,12)

• 1

• 2

• 3

• 4

Which graph has the lowest slope?

• Blue

• Purple

• Orange

• Red

What is the slope of the graph?

The graph shows the costs of lotion C, represented by line C, and lotion D, represented by line D.

True or False?

The cost of lotion D is $2.00 per ounce.

• True

• False

The graph represents the result of a race between 4 turtles. Which turtle was the fastest?

• Blue

• Purple

• Orange

• Red

Dev keeps a record in graph form of how far his car travels and the number of gallons of gasoline it uses.
What is the slope of the graph?

• 64

• 128

• 32

• 16

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2

• -1/2

• 2

• -2