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Expression 15: "m" Subscript, 1 , Baseline left parenthesis, "B" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis tilde "m" Subscript, 2 , Baseline left parenthesis, "B" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis
m
1
B
1
−
A
1
~
m
2
B
1
−
C
1
15
Expression 16: "B" Subscript, 2 , Baseline equals "m" Subscript, 1 , Baseline left parenthesis, "B" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis
B
2
=
m
1
B
1
−
A
1
equals
=
11.2 3 0 1 8 3 8 6 9 5
1
1
.
2
3
0
1
8
3
8
6
9
5
16
Expression 17: "m" Subscript, 3 , Baseline equals tangent 48
m
3
=
t
a
n
4
8
equals
=
1.1 1 0 6 1 2 5 1 4 8 3
1
.
1
1
0
6
1
2
5
1
4
8
3
17
Expression 18: "m" Subscript, 4 , Baseline equals negative tangent 30
m
4
=
−
t
a
n
3
0
equals
=
negative 0.5 7 7 3 5 0 2 6 9 1 9
−
0
.
5
7
7
3
5
0
2
6
9
1
9
18
Expression 19: "y" equals "m" Subscript, 3 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis
y
=
m
3
x
−
A
1
19
Expression 20: "y" equals "m" Subscript, 4 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis
y
=
m
4
x
−
C
1
20
Expression 21: "m" Subscript, 3 , Baseline left parenthesis, "D" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis tilde "m" Subscript, 4 , Baseline left parenthesis, "D" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis
m
3
D
1
−
A
1
~
m
4
D
1
−
C
1
21
Expression 22: "D" Subscript, 2 , Baseline equals "m" Subscript, 3 , Baseline left parenthesis, "D" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis
D
2
=
m
3
D
1
−
A
1
equals
=
3.7 9 8 7 3 5 6 1 4 7 5
3
.
7
9
8
7
3
5
6
1
4
7
5
22
Expression 23: "m" Subscript, 5 , Baseline equals StartFraction, "B" Subscript, 2 , Baseline minus "D" Subscript, 2 , Baseline Over "B" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , EndFraction
m
5
=
B
2
−
D
2
B
1
−
D
1
equals
=
4.7 0 4 6 3 0 1 0 9 4 8
4
.
7
0
4
6
3
0
1
0
9
4
8
23
Expression 24: "y" equals "m" Subscript, 5 , Baseline left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesis plus "D" Subscript, 2 , Baseline
y
=
m
5
x
−
D
1
+
D
2
24
Graphs
Graphs
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25
Expression 26: polygon left parenthesis, "A" , "D" , right parenthesis
p
o
l
y
g
o
n
A
,
D
26
Expression 27: polygon left parenthesis, "B" , "D" , right parenthesis
p
o
l
y
g
o
n
B
,
D
27
Expression 28: polygon left parenthesis, "C" , "D" , right parenthesis
p
o
l
y
g
o
n
C
,
D
28
Expression 29: polygon left parenthesis, "A" , "B" , "C" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
C
29
Points
Points
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30
40
powered by
powered by
A
B
C
D
48°
30°
36°
18°
"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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