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Expression 9: "h" left parenthesis, "x" , right parenthesis equals 22 "x" squared minus 100
h
x
=
2
2
x
2
−
1
0
0
9
Ved beregning af h ( x ) = 0
Ved beregning af h ( x ) = 0
10
fås sidelængden 2,13 cm:
fås sidelængden 2,13 cm:
11
22 ⋅ x ² - 100 = 0 ⇔
22 ⋅ x ² - 100 = 0 ⇔
12
Expression 13: "x" Subscript, 1 , Baseline equals StartRoot, StartFraction, 100 Over 22 , EndFraction , EndRoot
x
1
=
1
0
0
2
2
equals
=
2.1 3 2 0 0 7 1 6 3 5 6
2
.
1
3
2
0
0
7
1
6
3
5
6
13
For 100 kr. kan man lave
For 100 kr. kan man lave
14
en æske, hvis rumfang er
en æske, hvis rumfang er
15
2,13 ³ ⋅ cm ³ = 9,69 cm ³,
2,13 ³ ⋅ cm ³ = 9,69 cm ³,
16
Hjælpelinje og punkt
Hjælpelinje og punkt
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17
20
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x₁ = 2.1320072
"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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