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| BK | / | BC | = ½
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Expression 15: "E" Subscript, 1 , Baseline equals StartFraction, "A" Subscript, 1 , Baseline plus "B" Subscript, 1 , Baseline Over 2 , EndFraction equals 7.5
E
1
=
A
1
+
B
1
2
equals
=
7.5
7
.
5
15
Expression 16: "E" Subscript, 2 , Baseline equals StartFraction, "B" Subscript, 2 , Baseline Over 2 , EndFraction equals 4.3 3 0 1 2 7 0 1 8 9 2
E
2
=
B
2
2
equals
=
4.3 3 0 1 2 7 0 1 8 9 2
4
.
3
3
0
1
2
7
0
1
8
9
2
16
Expression 17: "K" Subscript, 1 , Baseline equals StartFraction, "B" Subscript, 1 , Baseline Over 2 , EndFraction equals 2.5
K
1
=
B
1
2
equals
=
2.5
2
.
5
17
Expression 18: "K" Subscript, 2 , Baseline equals StartFraction, "B" Subscript, 2 , Baseline Over 2 , EndFraction equals 4.3 3 0 1 2 7 0 1 8 9 2
K
2
=
B
2
2
equals
=
4.3 3 0 1 2 7 0 1 8 9 2
4
.
3
3
0
1
2
7
0
1
8
9
2
18
Expression 19: "M" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline equals 5
M
1
=
B
1
equals
=
5
5
19
Expression 20: "M" Subscript, 2 , Baseline equals StartFraction, 2 "s" "E" Subscript, 2 , Baseline Over 3 "s" , EndFraction equals 2.8 8 6 7 5 1 3 4 5 9 5
M
2
=
2
s
E
2
3
s
equals
=
2.8 8 6 7 5 1 3 4 5 9 5
2
.
8
8
6
7
5
1
3
4
5
9
5
20
Graphs
Graphs
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21
Expression 22: "y" less than 25 Has graph. To audio trace, press ALT+T.
y
<
2
5
22
Hidden Label: "B" , "D" equals a list of points. 2 items Has graph. To audio trace, press ALT+T.
B
,
D
Label
equals
=
left parenthesis, 5 , 8.6 6 , right parenthesis
5
,
8
.
6
6
left parenthesis, 5 , 0 , right parenthesis
5
,
0
23
Hidden Label: "C" , "E" equals a list of points. 2 items Has graph. To audio trace, press ALT+T.
C
,
E
Label
equals
=
left parenthesis, 0 , 0 , right parenthesis
0
,
0
left parenthesis, 7.5 , 4.3 3 , right parenthesis
7
.
5
,
4
.
3
3
24
Expression 25: left parenthesis, "D" Subscript, 1 , Baseline plus "t" .6 5cos 135 , "D" Subscript, 2 , Baseline plus .6 5sin 135 , right parenthesis Has graph.
D
1
+
t
.
6
5
c
o
s
1
3
5
,
D
2
+
.
6
5
s
i
n
1
3
5
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
1
1
domain t Maximum:
25
Expression 26: left parenthesis, "D" Subscript, 1 , Baseline plus .6 5cos 135 , "D" Subscript, 2 , Baseline plus "t" .6 5sin 135 , right parenthesis Has graph.
D
1
+
.
6
5
c
o
s
1
3
5
,
D
2
+
t
.
6
5
s
i
n
1
3
5
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
1
1
domain t Maximum:
26
Expression 27: polygon left parenthesis, "A" , "E" , "D" , "E" , "B" , "C" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
E
,
D
,
E
,
B
,
C
27
Hidden Label: "A" , "K" equals a list of points. 2 items Has graph. To audio trace, press ALT+T.
A
,
K
Label
equals
=
left parenthesis, 10 , 0 , right parenthesis
1
0
,
0
left parenthesis, 2.5 , 4.3 3 , right parenthesis
2
.
5
,
4
.
3
3
28
Points
Points
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29
43
powered by
powered by
A
B
C
D
E
K
M
60
30
| BK | / | BC | = ?
"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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