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Lines: Two Points to a Line
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Expression 8: "d" Subscript, "y" , Baseline equals "y" Subscript, 2 , Baseline minus "y" Subscript, 1 , Baseline
d
y
=
y
2
−
y
1
equals
=
4
4
8
Change in x or "run"
Change in x or "run"
9
Expression 10: "d" Subscript, "x" , Baseline equals "x" Subscript, 2 , Baseline minus "x" Subscript, 1 , Baseline
d
x
=
x
2
−
x
1
equals
=
negative 3
−
3
10
Expression 11: "m" equals StartFraction, "y" Subscript, 2 , Baseline minus "y" Subscript, 1 , Baseline Over "x" Subscript, 2 , Baseline minus "x" Subscript, 1 , Baseline , EndFraction
m
=
y
2
−
y
1
x
2
−
x
1
equals
=
negative 1.3 3 3 3 3 3 3 3 3 3 3
−
1
.
3
3
3
3
3
3
3
3
3
3
3
11
Slope of the line
Slope of the line
12
Given Points
Given Points
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13
Equations of Line
Equations of Line
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18
Intercepts
Intercepts
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27
Coefficients of Standard Form (may not be relatively prime example)
Coefficients of Standard Form (may not be relatively prime example)
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34
38
powered by
powered by
left parenthesis, 6 , negative 2 , right parenthesis
6
,
−
2
given point 1
left parenthesis, 3 , 2 , right parenthesis
3
,
2
given point 2
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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