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9.2 Wortels en wortelverbanden
H9
Weektaak
9.1; 2, 3, 5, 6, 8, 9,
9.2; 12, 14, 16, 18.
Wortelformules
1 / 47
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Slide 1:
Slide
Wiskunde
Middelbare school
vwo
Leerjaar 3
This lesson contains
47 slides
, with
interactive quizzes
and
text slides
.
Lesson duration is:
45 min
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Items in this lesson
H9
Weektaak
9.1; 2, 3, 5, 6, 8, 9,
9.2; 12, 14, 16, 18.
Wortelformules
Slide 1 - Slide
Maak de rekenregel af
√
a
⋅
√
b
=
Slide 2 - Open question
Maak de rekenregel af
√
a
+
√
b
=
Slide 3 - Open question
maak de rekenregel af
(
√
a
)
2
=
Slide 4 - Open question
Rekenregels wortels
√
a
⋅
√
b
=
√
a
⋅
b
√
a
+
√
a
=
2
√
a
√
a
+
√
b
=
√
a
+
√
b
c
√
a
⋅
d
√
b
=
c
⋅
d
√
a
⋅
b
Slide 5 - Slide
Rekenregels wortels
√
a
⋅
√
b
=
√
a
⋅
b
√
a
+
√
a
=
2
√
a
√
a
+
√
b
=
√
a
+
√
b
c
√
a
⋅
d
√
b
=
c
⋅
d
√
a
⋅
b
√
4
⋅
√
2
5
=
√
1
0
0
Slide 6 - Slide
Rekenregels wortels
√
a
⋅
√
b
=
√
a
⋅
b
√
a
+
√
a
=
2
√
a
√
a
+
√
b
=
√
a
+
√
b
c
√
a
⋅
d
√
b
=
c
⋅
d
√
a
⋅
b
√
4
⋅
√
2
5
=
√
1
0
0
√
6
+
√
6
+
√
6
=
3
√
6
Slide 7 - Slide
Rekenregels wortels
√
a
⋅
√
b
=
√
a
⋅
b
√
a
+
√
a
=
2
√
a
√
a
+
√
b
=
√
a
+
√
b
c
√
a
⋅
d
√
b
=
c
⋅
d
√
a
⋅
b
√
4
⋅
√
2
5
=
√
1
0
0
√
6
+
√
6
+
√
6
=
3
√
6
√
3
+
√
4
+
2
√
5
=
√
3
+
2
+
2
√
5
Slide 8 - Slide
Rekenregels wortels
√
a
⋅
√
b
=
√
a
⋅
b
√
a
+
√
a
=
2
√
a
√
a
+
√
b
=
√
a
+
√
b
c
√
a
⋅
d
√
b
=
c
⋅
d
√
a
⋅
b
√
4
⋅
√
2
5
=
√
1
0
0
√
6
+
√
6
+
√
6
=
3
√
6
√
3
+
√
4
+
2
√
5
=
√
3
+
2
+
2
√
5
2
√
8
⋅
3
√
2
=
6
√
1
6
Slide 9 - Slide
Rekenregels wortels
√
a
⋅
√
b
=
√
a
⋅
b
√
a
+
√
a
=
2
√
a
√
a
+
√
b
=
√
a
+
√
b
c
√
a
⋅
d
√
b
=
c
⋅
d
√
a
⋅
b
√
4
⋅
√
2
5
=
√
1
0
0
√
6
+
√
6
+
√
6
=
3
√
6
√
3
+
√
4
+
2
√
5
=
√
3
+
2
+
2
√
5
2
√
8
⋅
3
√
2
=
6
√
1
6
=
6
⋅
4
Slide 10 - Slide
Slide 11 - Slide
Verband =
Tabel
Grafiek
Formule
Slide 12 - Slide
Slide 13 - Slide
Slide 14 - Slide
Slide 15 - Slide
Reken met wortels?
Slide 16 - Mind map
Slide 17 - Slide
Slide 18 - Slide
Slide 19 - Slide
Wat is de grenswaarde voor x in
y
=
2
√
x
+
4
Slide 20 - Open question
Slide 21 - Slide
Wat is het bereik van
y
=
2
√
x
+
4
Slide 22 - Open question
Slide 23 - Slide
Slide 24 - Slide
Slide 25 - Slide
Slide 26 - Slide
Weektaak
9.1; 2, 3, 5, 6, 8, 9,
9.2; 12, 14, 16, 18.
Checkout om 12.40
Slide 27 - Slide
Lever opdracht 5 in!
Slide 28 - Open question
Wat zijn de coördinaten van het randpunt van
f
(
x
)
=
2
+
√
x
+
3
Slide 29 - Open question
Rekenregels wortels (2)
(
2
1
)
2
Slide 30 - Slide
Rekenregels wortels (2)
(
2
1
)
2
=
2
1
⋅
2
1
Slide 31 - Slide
Rekenregels wortels (2)
(
2
1
)
2
=
2
1
⋅
2
1
=
4
1
Slide 32 - Slide
Rekenregels wortels (2)
(
2
1
)
2
=
2
1
⋅
2
1
=
4
1
√
4
1
=
2
1
Slide 33 - Slide
Rekenregels wortels (2)
(
2
1
)
2
=
2
1
⋅
2
1
=
4
1
√
4
1
Slide 34 - Slide
Rekenregels wortels (2)
(
2
1
)
2
=
2
1
⋅
2
1
=
4
1
√
4
1
=
√
4
√
1
=
2
1
Slide 35 - Slide
Rekenregels wortels (2)
√
1
6
√
4
Slide 36 - Slide
Rekenregels wortels (2)
√
1
6
√
4
=
√
1
6
4
Slide 37 - Slide
Rekenregels wortels (2)
√
1
6
√
4
=
√
1
6
4
=
√
4
1
Slide 38 - Slide
Rekenregels wortels (2)
√
1
6
√
4
=
√
1
6
4
=
√
4
1
=
2
1
Slide 39 - Slide
Rekenregels wortels (2)
√
b
√
a
=
√
b
a
√
3
√
1
5
√
2
0
4
1
Slide 40 - Slide
Rekenregels wortels (2)
√
b
√
a
=
√
b
a
√
3
√
1
5
=
√
3
1
5
√
2
0
4
1
Slide 41 - Slide
Rekenregels wortels (2)
√
b
√
a
=
√
b
a
√
3
√
1
5
=
√
3
1
5
=
√
5
√
2
0
4
1
Slide 42 - Slide
Rekenregels wortels (2)
√
b
√
a
=
√
b
a
√
3
√
1
5
=
√
3
1
5
=
√
5
√
2
0
4
1
=
√
4
8
1
Slide 43 - Slide
Rekenregels wortels (2)
√
b
√
a
=
√
b
a
√
3
√
1
5
=
√
3
1
5
=
√
5
√
2
0
4
1
=
√
4
8
1
=
√
4
√
8
1
Slide 44 - Slide
Rekenregels wortels (2)
√
b
√
a
=
√
b
a
√
3
√
1
5
=
√
3
1
5
=
√
5
√
2
0
4
1
=
√
4
8
1
=
√
4
√
8
1
=
2
9
Slide 45 - Slide
Rekenregels wortels (2)
√
b
√
a
=
√
b
a
√
3
√
1
5
=
√
3
1
5
=
√
5
√
2
0
4
1
=
√
4
8
1
=
√
4
√
8
1
=
2
9
=
4
2
1
Slide 46 - Slide
Nu jullie
√
1
9
7
=
Slide 47 - Open question
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