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DFM are Collinear Points !
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Expression 21: "D" Subscript, 1 , Baseline equals "s" equals 8.4 8 5 2 8 1 3 7 4 2 4
D
1
=
s
equals
=
8.4 8 5 2 8 1 3 7 4 2 4
8
.
4
8
5
2
8
1
3
7
4
2
4
21
Expression 22: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline equals 0
D
2
=
A
2
equals
=
0
0
22
Expression 23: "E" Subscript, 1 , Baseline equals StartFraction, 3 Over StartRoot, 2 , EndRoot , EndFraction equals 2.1 2 1 3 2 0 3 4 3 5 6
E
1
=
3
2
equals
=
2.1 2 1 3 2 0 3 4 3 5 6
2
.
1
2
1
3
2
0
3
4
3
5
6
23
Expression 24: "E" Subscript, 2 , Baseline equals "E" Subscript, 1 , Baseline equals 2.1 2 1 3 2 0 3 4 3 5 6
E
2
=
E
1
equals
=
2.1 2 1 3 2 0 3 4 3 5 6
2
.
1
2
1
3
2
0
3
4
3
5
6
24
Expression 25: "F" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus StartFraction, "s" Over "s" plus "M" Subscript, 1 , Baseline , EndFraction left parenthesis, "C" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis equals 5.6 5 6 8 5 4 2 4 9 4 9
F
1
=
A
1
+
s
s
+
M
1
C
1
−
A
1
equals
=
5.6 5 6 8 5 4 2 4 9 4 9
5
.
6
5
6
8
5
4
2
4
9
4
9
25
Expression 26: "F" Subscript, 2 , Baseline equals "F" Subscript, 1 , Baseline equals 5.6 5 6 8 5 4 2 4 9 4 9
F
2
=
F
1
equals
=
5.6 5 6 8 5 4 2 4 9 4 9
5
.
6
5
6
8
5
4
2
4
9
4
9
26
Expression 27: "M" Subscript, 1 , Baseline equals StartFraction, "s" Over 2 , EndFraction equals 4.2 4 2 6 4 0 6 8 7 1 2
M
1
=
s
2
equals
=
4.2 4 2 6 4 0 6 8 7 1 2
4
.
2
4
2
6
4
0
6
8
7
1
2
27
Expression 28: "M" Subscript, 2 , Baseline equals "s" equals 8.4 8 5 2 8 1 3 7 4 2 4
M
2
=
s
equals
=
8.4 8 5 2 8 1 3 7 4 2 4
8
.
4
8
5
2
8
1
3
7
4
2
4
28
Graphs
Graphs
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29
Expression 30: "y" less than 25 Has graph. To audio trace, press ALT+T.
y
<
2
5
30
Expression 31: polygon left parenthesis, "E" , "F" , "M" , right parenthesis Has graph.
p
o
l
y
g
o
n
E
,
F
,
M
31
Expression 32: polygon left parenthesis, "A" , "C" , "D" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
C
,
D
32
Expression 33: polygon left parenthesis, "A" , "C" , "D" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
C
,
D
33
Expression 34: polygon left parenthesis, "A" , "E" , "M" , "F" , "C" , "B" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
E
,
M
,
F
,
C
,
B
34
Expression 35: polygon left parenthesis, "A" , "E" , "M" , "F" , "C" , "B" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
E
,
M
,
F
,
C
,
B
35
Expression 36: polygon left parenthesis, "A" , "E" , "M" , "F" , "M" , "E" , "C" , "A" , "B" , "C" , "D" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
E
,
M
,
F
,
M
,
E
,
C
,
A
,
B
,
C
,
D
36
Points
Points
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37
54
powered by
powered by
A
B
C
D
E
F
M
3
4
|
|
Square
45
Prove : DFM are Collinear Points
"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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