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Lesson Finding Slope T
There are three ways to find slope
When given a graph
There are three ways to find slope
When given a graph
There are three ways to find slope
use
rise
run
When given a graph
When given two points
There are three ways to find slope
use
rise
run
When given a graph
When given two points
There are three ways to find slope
use
use
rise
run
y2-y1
x2-x1
When given a graph
When given two points
When given an equation
There are three ways to find slope
use
use
rise
run
y2-y1
x2-x1
When given a graph
When given two points
When given an equation
There are three ways to find slope
use
use
use y=mx+b
rise
run
y2-y1
x2-x1
Given graph
?

rise

run

Given two points
?

y2-y1

x2-x1

Given equation
?
y=mx+b

So when given a line

So when given a line

So when given a line

on a graph

So when given a line

on a graph

So when given a line

on a graph
pick two points on the line
that are on the graph lines
these points
aren't on the
graph lines

So when given a line

on a graph
pick two points on the line
that are on the graph lines
so I wouldn't use them

So when given a line

on a graph
pick two points on the line
that are on the graph lines
so I wouldn't use them

So when given a line

on a graph
pick two points on the line
that are on the graph lines

these points are

So when given a line

on the graph lines
on a graph
pick two points on the line
that are on the graph lines

these points are

So when given a line

on the graph lines
so I can use them
on a graph
pick two points on the line
that are on the graph lines
then count up or down,

So when given a line

on a graph
pick two points on the line
that are on the graph lines
then count up or down,

So when given a line

on a graph
pick two points on the line
that are on the graph lines
then count up or down,

So when given a line

on a graph
Up 5
pick two points on the line
that are on the graph lines
then count up or down,

So when given a line

then right
on a graph
Up 5
pick two points on the line
that are on the graph lines
then count up or down,

So when given a line

then right
on a graph
Up 5
pick two points on the line
that are on the graph lines
then count up or down,

So when given a line

then right
on a graph
Up 5
Right 7
pick two points on the line
that are on the graph lines

So when given a line

The slope is
on a graph
Up 5
Right 7
pick two points on the line
that are on the graph lines

So when given a line

The slope is
on a graph
7
5
Up 5
Right 7
pick two points on the line
that are on the graph lines
Up
Right
Up
Right
Slopes can also be negative
Slopes can also be negative
Slopes can also be negative
Slopes can also be negative
Slopes can also be negative
but for negative slopes
Slopes can also be negative
but for negative slopes
we go down first
Slopes can also be negative
Down 3
but for negative slopes
we go down first
Slopes can also be negative
Down 3
but for negative slopes
we go down first
and then right
Slopes can also be negative
Down 3
but for negative slopes
we go down first
and then right
Slopes can also be negative
Down 3
Right 2
but for negative slopes
we go down first
and then right
Slopes can also be negative
So the slope is 
Down 3
Right 2
3
2
but for negative slopes
we go down first
and then right
Down
Right
Down
Right
If given the coordinates of two points
If given the coordinates of two points
(2,3)
If given the coordinates of two points
(2,3) and 
If given the coordinates of two points
(2,3) and (5,6)
If given the coordinates of two points
Use the formula 
(2,3) and (5,6)
If given the coordinates of two points
Use the formula 
(2,3) and (5,6)
x2 - x1
y2 -y1
If given the coordinates of two points
First I label my points
Use the formula 
(2,3) and (5,6)
x2 - x1
y2 -y1
If given the coordinates of two points
First I label my points
Use the formula 
x1
(2,3) and (5,6)
x2 - x1
y2 -y1
If given the coordinates of two points
First I label my points
Use the formula 
x1  y1
(2,3) and (5,6)
x2 - x1
y2 -y1
If given the coordinates of two points
First I label my points
Use the formula 
x1  y1
(2,3) and (5,6)
x2
x2 - x1
y2 -y1
If given the coordinates of two points
First I label my points
Use the formula 
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
6
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
6 -
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
6 - 3
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
5
6 - 3
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
5 -
6 - 3
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
5 - 2
6 - 3
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
5 - 2
6 - 3
=
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
5 - 2
6 - 3
=
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
5 - 2
6 - 3
=
3
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
5 - 2
6 - 3
=
3
3
If given the coordinates of two points
First I label my points
Use the formula 
then plug in the values
x1  y1
(2,3) and (5,6)
x2  y2
x2 - x1
y2 -y1
=
5 - 2
6 - 3
= 1
=
3
3
Label the points
x1
?
x2
(-1 , 3)    (4 , -6)
(0 , -5)  (3 , 4)
 y1
y2
?
x1
x2
?
 y1
?
y2
x1
(3 , 5)    (-3 , 7)
 y1
-3
?
7
?
x2
3
?
5
?
y2
x1
(-2 , 1)    (0 , 3)
 y1
x2
y2
You can also find the slope using the equation
You can also find the slope using the equation
y = 2x + 7
You can also find the slope using the equation
y = 2x + 7
If the y is by itself
y by itself
You can also find the slope using the equation
y = 2x + 7
If the y is by itself
You can also find the slope using the equation
y = 2x + 7
If the y is by itself
then the number by x
number by x
You can also find the slope using the equation
y = 2x + 7
If the y is by itself
then the number by x
You can also find the slope using the equation
y = 2x + 7
If the y is by itself
then the number by x
is the slope
2 is the slope
You can also find the slope using the equation
y = 2x + 7
If the y is by itself
then the number by x
is the slope
You can also find the slope using the equation
When the y is by itself
y = 2x + 7
If the y is by itself
then the number by x
is the slope
You can also find the slope using the equation
When the y is by itself
y = 2x + 7
this is called slope intercept form
If the y is by itself
then the number by x
is the slope
You can also find the slope using the equation
When the y is by itself
y = 2x + 7
this is called slope intercept form
If the y is by itself
then the number by x
is the slope
You can also find the slope using the equation
When the y is by itself
y = 2x + 7
this is called slope intercept form
If the y is by itself
then the number by x
is the slope
slope intercept form
slope intercept form
?
y = 4x - 5
standard form
?
x + y = 3
What is the slope?
y = 2x +17
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