Proportional Relationships and Rate of Change

What is the rate of change for the following graph?

• 80

• 20

• 40

• 160

Who has the greater rate of change?

• Smith has the greater rate of change.

• Harmon has the greater rate of change.

• Macey has the greater rate of change.

• They have the same rate of change

What is the rate of change?

• The tree grows 3 inches every 2 months

• The tree grows 2 inches every 3 months

• The tree grows 3 inches every month

• The tree grows 2 inches every month

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)

• Ax + By = C

• y = mx + b

Find the rate of change

• 1

• 2

• 11

• Not a constant slope/Non-Linear

What is the rate of change of the average height in feet of the trees with respect to the number of years since the trees were planted?

• 3 ft/yr

• 7 ft/yr

• 10 ft/yr

• 14 ft/yr

What is the rate of change of y with respect to x?

• -1/2

• -5/2

• 2/1

• -2/1

What is the rate of change of y with respect to x?

What was Brian's rate of change?

• 3/2

• 1.5

• 60

• 30

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts