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4.3 simplifying square roots
1 / 14
volgende
Slide 1:
Tekstslide
Wiskunde
Middelbare school
havo, vwo
Leerjaar 2
In deze les zitten
14 slides
, met
interactieve quizzen
en
tekstslides
.
Lesduur is:
50 min
Start les
Bewaar
Deel
Printen
Onderdelen in deze les
Slide 1 - Tekstslide
Slide 2 - Tekstslide
Today
I am able to use the rule for multiplying
roots to simplify expressions.
Slide 3 - Tekstslide
The rule
√
a
⋅
√
b
=
√
a
⋅
b
Slide 4 - Tekstslide
Calculate
You can use a capital v to indicate a square root here.
√
a
⋅
√
b
=
√
a
⋅
b
√
1
2
⋅
√
3
Slide 5 - Open vraag
Calculate
You can use a capital v to indicate a square root here.
√
a
⋅
√
b
=
√
a
⋅
b
√
1
5
⋅
3
√
3
⋅
√
5
Slide 6 - Open vraag
Calculate
You can use a capital v to indicate a square root here.
√
a
⋅
√
b
=
√
a
⋅
b
(
4
√
3
)
2
Slide 7 - Open vraag
Simplifying fractions by factorising
Let's observe
√
7
5
Slide 8 - Tekstslide
Simplifying fractions by factorising
Let's observe
also
√
7
5
7
5
=
5
⋅
1
5
7
5
=
3
⋅
2
5
Slide 9 - Tekstslide
Simplifying fractions by factorising
Let's observe
so
is this progress?
√
7
5
7
5
=
5
⋅
1
5
√
7
5
=
√
5
⋅
√
1
5
Slide 10 - Tekstslide
Simplifying fractions by factorising
Let's observe
so
Is this progress? Why?
√
7
5
7
5
=
3
⋅
2
5
√
7
5
=
√
3
⋅
√
2
5
Slide 11 - Tekstslide
Simplifying fractions by factorising
Let's observe
so
Is this progress? Why?
Yes, because
√
7
5
7
5
=
3
⋅
2
5
√
7
5
=
√
3
⋅
√
2
5
√
3
⋅
√
2
5
=
√
3
⋅
5
=
5
√
3
Slide 12 - Tekstslide
Simplify
You can use a capital v to indicate a square root here.
√
a
⋅
√
b
=
√
a
⋅
b
√
2
0
0
Slide 13 - Open vraag
Do the things
40, 41*, 43, 44*, 48,
49
*
CH5: PK 2, 4, 8,10 (no calculators, please)
timer
10:00
Slide 14 - Tekstslide
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