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F₁ = 15 ⇒ BD = BE + 4 = 16
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Expression 14: "y" equals "m" Subscript, 1 , Baseline left parenthesis, "x" minus "F" Subscript, 1 , Baseline , right parenthesis
y
=
m
1
x
−
F
1
14
Expression 15: "y" equals StartFraction, negative 1 Over "m" Subscript, 1 , Baseline , EndFraction "x"
y
=
−
1
m
1
x
15
Expression 16: "m" Subscript, 1 , Baseline left parenthesis, "E" Subscript, 1 , Baseline minus "F" Subscript, 1 , Baseline , right parenthesis tilde StartFraction, negative 1 Over "m" Subscript, 1 , Baseline , EndFraction "E" Subscript, 1 , Baseline
m
1
E
1
−
F
1
~
−
1
m
1
E
1
16
Expression 17: "E" Subscript, 2 , Baseline equals StartFraction, negative 1 Over "m" Subscript, 1 , Baseline , EndFraction "E" Subscript, 1 , Baseline
E
2
=
−
1
m
1
E
1
equals
=
7.2
7
.
2
17
Expression 18: "D" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline plus 4cosine "E" Subscript, "B" "F" , Baseline
D
1
=
E
1
+
4
c
o
s
E
B
F
equals
=
12.8
1
2
.
8
18
Expression 19: "D" Subscript, 2 , Baseline equals "E" Subscript, 2 , Baseline plus 4sine "E" Subscript, "B" "F" , Baseline
D
2
=
E
2
+
4
s
i
n
E
B
F
equals
=
9.6
9
.
6
19
Expression 20: "y" equals "m" Subscript, 1 , Baseline left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesis plus "D" Subscript, 2 , Baseline
y
=
m
1
x
−
D
1
+
D
2
20
Expression 21: "y" equals "B" Subscript, 2 , Baseline
y
=
B
2
equals
=
0
0
21
Expression 22: "C" Subscript, 1 , Baseline equals StartFraction, "B" Subscript, 2 , Baseline plus "m" Subscript, 1 , Baseline "D" Subscript, 1 , Baseline minus "D" Subscript, 2 , Baseline Over "m" Subscript, 1 , Baseline , EndFraction
C
1
=
B
2
+
m
1
D
1
−
D
2
m
1
equals
=
20
2
0
22
Expression 23: "C" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline
C
2
=
B
2
equals
=
0
0
23
Graphs
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24
Expression 25: polygon left parenthesis, "B" , "E" , right parenthesis
p
o
l
y
g
o
n
B
,
E
25
Expression 26: polygon left parenthesis, "E" , "F" , right parenthesis
p
o
l
y
g
o
n
E
,
F
26
Expression 27: polygon left parenthesis, "A" , "B" , "C" , "D" , "E" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
C
,
D
,
E
27
Points
Points
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28
40
powered by
powered by
A
B
C
D
E
F
20
4
"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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