
logaritmen
Presentation
•
Mathematics
•
11th Grade
•
Practice Problem
•
Easy
Isil Saka
Used 3+ times
FREE Resource
8 Slides • 4 Questions
1
Logaritmen
lesdoelen:
rekenregels voor logaritmen
logarithmische vergelijkingen oplossen
2
9.3 Rekenen met logaritmen
Theorie A
3
Logaritme is de bewerking waarmee we een exponent kunnen berekenen:
als gy = x dan is y = glog x
als 2x = 5 dan is x = ²log 5
als 3a = 8 dan is a = 3log 8
glog g=1
4
Multiple Choice
als 5b = 10 dan is b = ?
2
²log 5
5log 10
10log 5
5
Eigenschappen van de logaritmische functies
gy = x dan is y = glog x.
Hierbij x > 0 en g > 0 en g ≠ 1
0<g<1: dalend
g > 1: stijgend
6
Poll
3log2x
dalend
stijgend
7
Theorie A
8
Multiple Choice
5log x + 5log 2x
5log 3x
5log 2x2
5log x2
9
Multiple Choice
herleid tot een logarithm
3+2log(3)
2log(24)
2log(18)
2log(81)
10
Theorie B
Het oplossen van logaritmische vergelijkingen
11
glog (A)=glog (B) volgt A=B
3log (8x)-3log (2)=3log (x+1)
3log (8x/2)=3log (x+1)
3log (4x)=3log (x+1)
4x=x+1
3x=1
x=1/3
12
HW
Quizziz Zilver- Goud
Getal en Ruimte: opgave 35 t/m 43
Logaritmen
lesdoelen:
rekenregels voor logaritmen
logarithmische vergelijkingen oplossen
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