m= 5/7 
explanation: Slope is equal to the change in 
y
y
 over the change in 
x
x
, or rise over run.
m
=
change in y
change in x
m
=
change in y
change in x
The change in 
x
x
 is equal to the difference in x-coordinates (also called run), and the change in 
y
y
 is equal to the difference in y-coordinates (also called rise).
m
=
y
2
−
y
1
x
2
−
x
1
m
=
y
2
-
y
1
x
2
-
x
1
Substitute in the values of 
x
x
 and 
y
y
 into the equation to find the slope.
m
=
3
−
(
−
2
)
9
−
(
2
)
m
=
3
-
(
-
2
)
9
-
(
2
)
Simplify.
m
=
5
9
−
(
2
)
m
=
5
9
-
(
2
)
Simplify the denominator.
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m
=
5
7