Rate of Change with Coordinates

At 0 seconds, Mrs. Taylor was 10 feet off the ground.  At 5 seconds, she was 20 feet off the ground.  What is her rate in feet per second?

• 10 feet per second

• 5 feet per second

• 2 feet per second

• 6 feet per second

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Determine the slope and y-intercept from the following equation:   y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 

• slope: 3/2   y-intercept:  (0,3) 

• slope:  4  y-intercept:  (0,3/2)

• slope: 1/5   y-intercept:  (0,5) 

Find the slope of the line that passes through (10, -8) and (1, 12).

• 20/9

• -20/9

• 4/9

• 9/4

In the equation y=mx+b, what does the m represent?

• slope

• y-intercept

• linear

• point-slope

Find the slope between the two points below:
(-3, 10) and (1, 5)

• 4/5

• 5/4

• -4/5

• -5/4

Find the rate of change.

• $10 per hour

• $30 per hour

• $60 per hour

• $80 per hour

Find the slope of the line through each pair of points.
(15,8), (-17,9)

• 3/8

• -1/32

• -16

• 5

Find the slope of the line.

• -2

• 2

• -1

• 1

Find the slope of the line through each pair of points.
(3,-20), (5, 8)

• 14

• 5/6

• 4%

• undefind