Wiskunde b samenvatting hf 5 machten, exponenten en logaritmen
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Course
Wiskunde B
Level
HAVO
Book
Getal en ruimte (11e ed) wiskunde-b havo deel 2
Dit is een samenvatting waarmee je absoluut je toets en je examens haalt. Alles staat heel compact en duidelijk opgeschreven zodat je het meteen begrijpt!
Hoofdstuk 5 machten, exponenten en logaritmen
March 7, 2022
3
2020/2021
Summary
Subjects
machten
wiskunde b
havo 5
exponenten
logaritmen
getal en ruimte 11e editie
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HAVO
Wiskunde B
4
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Wiskunde samenvatting hf 5
Voorkennis:
ap x aq = ap + q
ap
= ap - q
aq
(ap)q = apq
(ab)p = apbp
Paragraaf 5.1:
1
x-3 =
x3
1
= x-1
x
1
= 5-1
5
4
Schrijf de formule van y = 3(2x2)5 ∙ in de vorm y = axn
x 12
4
y = 3(2x2)5 ∙
x 12
= 3 ∙25 ∙(x2)5 ∙4 ∙x-12
= 3 ∙32 ∙x10 ∙4 ∙x-12
= 384x-2
y = 384x-2
Schrijf de formule van y = 40 ∙ 3-2x + 1 in de vorm y = b ∙gx
y = 40 ∙ 3-2x + 1
= 40 ∙ 3-2x ∙ 31
= 40 ∙ (3-2)x ∙ 3
= 120 ∙ ( 3 kwadraat
1
2)
x
= 120 ∙ ( )
1 x
9
√n a a>0 a<0
n even bestaat bestaat niet
n oneven bestaat bestaat
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