From a Table
From a Graph/Random
From 2 Points
Random
Equations
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
What is the slope of y=2x+4
m=2
200
2x Points
Slope is also considered: The _________ over the ______
The change in Y over the change in X
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
What is the slope of y=-0.4x-2
m=-0.4
300
3
300
undefined
300
(17, 13) and (22, 8)
-1
300
What is the slope of a horizontal line?
0
300
What is the y-intercept of y=6x+9
(0,9)
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
What is the y-intercept of y=8x-2
(0,-2)
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
What is the slope of y=6+x
m=1