Slope describes the steepness of a line By Angela Gallacher.
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Slope describes the steepness of a line By Angela Gallacher
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Transcript of Slope describes the steepness of a line By Angela Gallacher.
Slope describes the steepness of a line
By Angela Gallacher
If a line goes up from left to right, then the slope has to be positive
Conversely, if a line goes down from left to right, then the slope has to be negative
Rise over RunRise over Run
Rise over RunRise over Run
Rise over RunRise over Run
Definitions of Slope
Slope is simply the change in the vertical distance over the change in the horizontal distance
12
12
xx
yy
run
risemslope
12
12
xx
yym
The formula above is the one which we will use to find the slope of specific lines
In order to use that formula we need to know, or be able to find 2 points on the line
Lets Try!1. (2, 3) (4, 9)
2. (-3, 5) (3, 6)
32
6
24
39
7
1
)3(4
56
The slope of the line is 3
The slope of the line is 1/7
You Try
6,5,4,1
3
1
6
2
)1(5
46
Horizontal lines have a slope of zero while vertical lines have no slope
HorizontalVertical
m = 0
m = no slope
