From a Table
From a Graph/Random
From 2 Points
Random
Word Problem
100
2
100
Find Slope
-1/2
100
(1, −19) and (−2, −7)
-4
100
slope is ____________ over ____________
slope is RISE over RUN
or the change in y over the change in x
100
The temperature at 6 a.m. was 50°F, and by 10 a.m. it had risen to 70°F.
Find the rate of temperature change (slope) per hour.
What is 5°F/hour?
200
Find the rate of change. 
2
200
What letter to we use to represent slope in an equation?
m
200
(19, 3) and (20, 3)
0
200
What is the formula for finding slope from two points?
y2-y1/x2-x1
200
A car is at mile 120 at 2:00 p.m., and mile 240 at 5:00 p.m.
Find the average speed (slope).
What is 40 miles/hour?
300
3
300
undefined
300
(17, 13) and (22, 8)
-1
300
What is the slope of a horizontal line?
0
300
A freelance artist earns $200 after 4 hours of work and $500 after 10 hours.
Find the rate of pay (slope).
What is $50/hour?
400
3/2
400
Find Slope
-2
400
(6,7) (0,-3)
-5/3
400
A line goes down very steeply from left to right and has a slope of 8.
What makes you know this can't be true?
Would have to be negative
400
A ski slope drops 900 feet vertically over a horizontal distance of 3,600 feet.
Find the slope of the hill.
What is –0.25 ?
500
Find the slope of the table
-4
500
if the two points
(2,3) and (x,7) have a slope of 4... what is the value of x?
x=1
500
(-18, -20) (-18,-15)
UNDEFINED
500
A vertical line has an undefined slope...why?
Because you can't divide by 0!
500
A student used 2 GB of data after 5 days, and 5 GB after 11 days.
Find the rate of data usage per day (the slope).
What is 0.5 GB/day?