Calculating and Visualizing Slope/Rate of Change

Find the slope of the line that passes through (8, 5) and (8, -4).

• 9

• 1

• 0

• undefined

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 fuel efficiency of his car?

• 64 mpg

• 128 mpg

• 32 mpg

• 16 mpg

Consider the graph shown. How much money is being saved per week?

• $30

• $5

• $10

• $0.20

The graph records Sally's total pay she earned from her two summer jobs. Assuming that she quit her first job before starting the second, which of the following are true statements based on the information in this graph? Check all that apply.

• Sally quit her first job after working 40 hours

• Sally quit her first job after working 275 hours

• Sally's second job paid more per hour than her first job

• Sally's second job paid less per hour than her first job

Consider the graph shown. At what rate was snow falling during this storm?

• 5 in/hr

• 2 in/hr

• 0.5 in/hr

• 0.2 in/hr

Which pair of points forms the steepest line?

• (4, 5) and (8, 7)

• (2, 6) and (9, 12)

• (-1, 8) and (2, -3)

• (-3, -5) and (2, -5)

Which line is the steepest?

• Black

• Blue

• Red

• Green

Two points will form a line with a slope of zero iff...

• Their x-coordinates are the same

• Their y-coordinates are the same

• One of them has an x-coordinate of 0

• One of them has a y-coordinate of 0

Two points will form a line with an undefined slope iff...

• Their x-coordinates are the same

• Their y-coordinates are the same

• One of them has an x-coordinate of 0

• One of them has a y-coordinate of 0