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Red Area = Area EFG = 84
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Expression 18: "m" Subscript, 1 , Baseline equals StartFraction, "F" Subscript, 2 , Baseline Over "F" Subscript, 1 , Baseline , EndFraction
m
1
=
F
2
F
1
equals
=
4 thirds
4
3
18
Expression 19: "m" Subscript, 2 , Baseline equals StartFraction, "G" Subscript, 2 , Baseline Over "G" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , EndFraction
m
2
=
G
2
G
1
−
B
1
equals
=
negative 2.4
−
2
.
4
19
Expression 20: "y" equals "m" Subscript, 1 , Baseline "x"
y
=
m
1
x
20
Expression 21: "y" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis
y
=
m
2
x
−
B
1
21
Expression 22: "m" Subscript, 1 , Baseline "x" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis
m
1
x
=
m
2
x
−
B
1
22
Expression 23: "E" Subscript, 1 , Baseline equals StartFraction, negative "m" Subscript, 2 , Baseline "B" Subscript, 1 , Baseline Over "m" Subscript, 1 , Baseline minus "m" Subscript, 2 , Baseline , EndFraction
E
1
=
−
m
2
B
1
m
1
−
m
2
equals
=
18
1
8
23
Expression 24: "E" Subscript, 2 , Baseline equals "m" Subscript, 2 , Baseline left parenthesis, "E" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis
E
2
=
m
2
E
1
−
B
1
equals
=
24
2
4
24
Expression 25: "F" Subscript, 1 , Baseline equals "D" Subscript, "F" , Baseline
F
1
=
D
F
equals
=
9
9
25
Expression 26: "F" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline
F
2
=
D
2
equals
=
12
1
2
26
Expression 27: "G" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline minus StartRoot, "B" squared minus "A" squared , EndRoot
G
1
=
B
1
−
B
2
G
−
A
2
D
equals
=
23
2
3
27
Expression 28: "G" Subscript, 2 , Baseline equals "A" Subscript, "D" , Baseline
G
2
=
A
D
equals
=
12
1
2
28
Graphs
Graphs
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29
Expression 30: polygon left parenthesis, "E" , "F" , "G" , right parenthesis
p
o
l
y
g
o
n
E
,
F
,
G
30
Expression 31: polygon left parenthesis, "A" , "B" , "G" , "F" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
G
,
F
31
Expression 32: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
C
,
D
32
Expression 33: polygon left parenthesis, "A" , "E" , right parenthesis
p
o
l
y
g
o
n
A
,
E
33
Expression 34: polygon left parenthesis, "B" , "E" , right parenthesis
p
o
l
y
g
o
n
B
,
E
34
Points
Points
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35
Expression 49:
49
50
powered by
powered by
A
B
C
D
E
F
G
15
13
9
Area ABE = Area ABCD
Red Ara = ?
"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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