Linear Relationships 4 (gradient)
+3
?
+6
?
+1
?
+2
?
m=
y
∆y
∆x
m=
=
∆y
∆x
=
=
2
1
=
x
+2
?
+6
?
+1
?
+3
?
m=
∆y
∆x
m=
=
∆y
∆x
=
=
3
1
=
x
+1
?
+2
?
-4
?
-8
?
m=
m=
∆y
∆x
∆y
∆x
=
=
y
-4
=
1
=
x
+1
?
-3
?
+2
?
-6
?
m=
m=
∆y
∆x
∆y
∆x
=
y
=
1
=
=
x
m=
∆y
∆x
+2
?
y
=
+1
?
x
+2
?
+3
?
m=
∆y
∆x
y
=
x
m=
∆y
∆x
y
+3
?
=
+2
?
x
+4
?
-3
?
m=
∆y
∆x
y
=
x
+5
?
m=
∆y
∆x
y
-1
?
=
x
m=
∆y
∆x
y
=
+4
?
+1
?
x
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