Slope
y=2/3x + 4
2/3
y=2/3x + 6
6
y=2
m= 3
b= 4
y=3x+4
(1,3) (1,5) (2,4)
No
y=-1/2x - 4
-1/2
y=4x - 7
-7
y=x-9
1/1
m= -5
b= 2
y=-5x+2
(3,4) (4,7) (2,9) (5,1)
yes
What letter do we use to represent slope?
m
y=6
6
y=-x+3
-1/1
m= -1/2
b= -5
y=-1/2x-5
(-4,3) (-2,3) (8,3) (-4,1)
no
How do we count slope?
rise over run
y=5x
0
x=4
undefined
m= 1
b= -2
y=1x-2
y=x-2
(1,1) (2,2) (3,3) (4,4)
yes
Slope is the measure of ___________ and direction.
steepness
What is the y-intercept?
It is the point on our line that cross/touches/meets the y axis.
A negative slope ____________.
decreases or increases?
decreases
m= 6
b= 0
y=6x+0
y=6x
If a set of data is a function, then the x values ________ repeat.
can or cannot?
cannot