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10 Intersecting Lines
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Expression 21: "f" Subscript, 10 , Baseline equals left parenthesis, "x" minus "x" Subscript, 10 , Baseline , right parenthesis tangent "t" Subscript, 10 , Baseline positive "y" Subscript, 10 , Baseline
f
1
0
=
x
−
x
1
0
t
a
n
t
1
0
+
y
1
0
21
Expression 22: "x" Subscript, 10 , Baseline equals 0
x
1
0
=
0
negative 10
−
1
0
10
1
0
22
Expression 23: "y" Subscript, 10 , Baseline equals 1 plus "b"
y
1
0
=
1
+
b
equals
=
11
1
1
23
Expression 24: "t" Subscript, 10 , Baseline equals 16
t
1
0
=
1
6
0
0
180
1
8
0
24
Expression 25: "f" Subscript, 9 , Baseline equals left parenthesis, "x" minus "x" Subscript, 9 , Baseline , right parenthesis tangent "t" Subscript, 9 , Baseline positive "y" Subscript, 9 , Baseline
f
9
=
x
−
x
9
t
a
n
t
9
+
y
9
25
Expression 26: "x" Subscript, 9 , Baseline equals 0
x
9
=
0
negative 10
−
1
0
10
1
0
26
Expression 27: "y" Subscript, 9 , Baseline equals 1 plus 2 "b"
y
9
=
1
+
2
b
equals
=
21
2
1
27
Expression 28: "t" Subscript, 9 , Baseline equals 8
t
9
=
8
0
0
180
1
8
0
28
Expression 29: "f" Subscript, 8 , Baseline equals left parenthesis, "x" minus "x" Subscript, 8 , Baseline , right parenthesis tangent "t" Subscript, 8 , Baseline positive "y" Subscript, 8 , Baseline
f
8
=
x
−
x
8
t
a
n
t
8
+
y
8
29
Expression 30: "x" Subscript, 8 , Baseline equals 0
x
8
=
0
negative 10
−
1
0
10
1
0
30
Expression 31: "y" Subscript, 8 , Baseline equals 1 plus 3 "b"
y
8
=
1
+
3
b
equals
=
31
3
1
31
Expression 32: "t" Subscript, 8 , Baseline equals 4
t
8
=
4
0
0
180
1
8
0
32
Expression 33: "f" Subscript, 7 , Baseline equals left parenthesis, "x" minus "x" Subscript, 7 , Baseline , right parenthesis tangent "t" Subscript, 7 , Baseline positive "y" Subscript, 7 , Baseline
f
7
=
x
−
x
7
t
a
n
t
7
+
y
7
33
Expression 34: "x" Subscript, 7 , Baseline equals 0
x
7
=
0
negative 10
−
1
0
10
1
0
34
Expression 35: "y" Subscript, 7 , Baseline equals 1 plus 4 "b"
y
7
=
1
+
4
b
equals
=
41
4
1
35
Expression 36: "t" Subscript, 7 , Baseline equals 2
t
7
=
2
0
0
180
1
8
0
36
Expression 37: "f" Subscript, 6 , Baseline equals left parenthesis, "x" minus "x" Subscript, 6 , Baseline , right parenthesis tangent "t" Subscript, 6 , Baseline positive "y" Subscript, 6 , Baseline
f
6
=
x
−
x
6
t
a
n
t
6
+
y
6
37
Expression 38: "x" Subscript, 6 , Baseline equals 0
x
6
=
0
negative 10
−
1
0
10
1
0
38
Expression 39: "y" Subscript, 6 , Baseline equals 1 plus 5 "b"
y
6
=
1
+
5
b
equals
=
51
5
1
39
Expression 40: "t" Subscript, 6 , Baseline equals 1
t
6
=
1
0
0
180
1
8
0
40
Expression 41: "a" equals 10
a
=
1
0
negative 10
−
1
0
10
1
0
41
Expression 42: "b" equals 10
b
=
1
0
negative 10
−
1
0
10
1
0
42
43
powered by
powered by
"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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