Slope Formula and Rate of Change

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

• 1/2
• -1/2
• 2
• -2

Find the slope of the line that passes through
(10, 1) and (5, 2)

• 1/5
• -1/5
• 5
• -5

Find the slope of the line.

• -2
• 2
• -1
• 1

Find the slope of the line.

• -5/4
• 5/4
• -4/5
• 4/5

Find the slope of the line.

• Undefined
• 0
• 1
• -1

Find the slope

• -5/3
• -3/5
• 5/3
• 3/5

What direction is an undefined slope?

• horizontal
• vertical

What is the slope?

• $2/1 mile drive
• $1/2 miles driven
• 2 miles driven/$1 
• 1 mile driven/$2

Which of the following are ways to find the rate of change?

• change in y over change in x
• rise over run
• subtract y coordinates over subtract x coordinates
• all of the above

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