Rate of Change and Linear Equations

What is Mrs. Gordon's rate from 0 to 2 seconds?

• 2.5 feet per second

• 0.4 feet per second

• 5 feet per second

• 0.2 feet per second

Compare the two linear functions listed below and determine which has a greater slope.

• Function 1 because the slope is 12

• Function 2 because the slope is 1

• Function 1 because the slope is 1/12

• They are equal 

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

Calculate the average rate of change from 20 to 40 minutes.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

What is the rate of change in the equation?
y=8x+6

• 8

• 6

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change? 

• 200

• 150

• 300

• 75

Which of the following intervals has the largest average rate of change?

• [13,14]

• [13, 17]

• [16, 17]

• [16, 19]

Find the rate of change.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

What is the slope in the equation:  y=4x+3

• 3

• 4x

• 4

• x

Zara made an initial deposit to a bank account and then added a fixed amount every week. The table shows the money in her account. Which equation represents the situation?

• y = 30x + 100

• y = 20x + 120

• y = 120x + 120

• y = 50x + 100