Slope/Proportional Relationships

What is the slope of the line shown? What is the equation of the line shown? What is the meaning of the slope in the context of this problem?

• Slope: 1.2

  Equation: y = 1.2x

  1.2 miles per hour

• Slope: 6

  Equation: y = 6x

  6 miles per hour

• Slope: 12

  Equation: y = 12x

  12 miles per hour

Find the constant rate of change (unit rate) of the line.

What is the slope for the graph?

• 1

• 0.5

What is the slope (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

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

• 1/2

• -1/2

• 2

• -2

What is the slope for the following graph?

• 80

• 20

• 40

• 160

What is the slope of the graph?

• 6 words per minute

• 25 words per minute

• 50 words per minute

• 150 words per minute

Which of the following rates of change represents the graph shown?

• 2 boys for every 1 girl

• 0.5 boys for every 1 girl

• 6 boys for every 1 girl

• 3 boys for every 1 girl

What is the unit rate for the rain fall?

• 2 cm per hour

• 1 cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Which graph is proportional?

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