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De reststelling
1.Herhaling
1 / 19
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Slide 1:
Slide
Wiskunde
Secundair onderwijs
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19 slides
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interactive quizzes
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Items in this lesson
1.Herhaling
Slide 1 - Slide
Wat zie je op de afbeelding?
A
Staartdeling
B
Euclidische deling
C
De regel van Horner
D
Dit ken ik niet.
Slide 2 - Quiz
Wat is het quotiënt?
Tekst
A
2x^3+5x^2+0x+14
B
x+3
C
2x^2-x+3
D
5
Slide 3 - Quiz
Duid de juiste uitspraak aan!
A
Deze deling is opgaand, want de rest is verschillend van 0.
B
Deze deling is niet-opgaand, want de rest is verschillend van 0.
C
Deze deling is opgaand, want de rest is 0.
D
Deze deling is niet-opgaand, want de rest is 0.
Slide 4 - Quiz
De euclidische deling
(2x
3
+ 5x
2
+ 14): (x+3)
Voorwaarde:
gr(r(x))<gr(d(x)) of r(x)=0
Formule:
D(x) = d(x).q(x)+r(x)
Slide 5 - Slide
1.1 De regel van Horner
Slide 6 - Slide
learningapps.org
Slide 7 - Link
Slide 8 - Slide
Om de regel van Horner te kunnen gebruiken, moet de deler van een bepaalde vorm zijn. Welke?
Slide 9 - Open question
2. De reststelling
Slide 10 - Slide
D(a)=D(2)
= 2
2
+ 3.2 -1
= 9
Slide 11 - Slide
www.educaplay.com
Slide 12 - Link
D(a)=D(-3)
=(-3)
2
+5.(-3)+17
= 11
Slide 13 - Slide
D(a)=D(3)
= 2.(3)
2
+ 4.3 + 1
= 31
Slide 14 - Slide
D(a)= D(-1)
= 3.(-1)
2
+ 3.(-1) + 5
= 5
Slide 15 - Slide
De reststelling
De rest van een deling van een veelterm D(x) door x-a is gelijk aan de getalwaarde D(a).
Slide 16 - Slide
Bewijs reststelling
D(x)=d(x).q(x)+r(x)
D(x)=d(x).q(x)+r (De rest is van de 0de graad)
D(x)=(x-a).q(x)+r
D(a)=(a-a).q(a)+r
D(a)=r
Slide 17 - Slide
app.wizer.me
Slide 18 - Link
h5p.org
Slide 19 - Link
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