-5bc(14c) monoom: uitdrukking een term
10c2 + 18 binoom: uitdrukking twee terme
3b2 + 19 - 16m(b) trinoom: uitdrukking drie terme
geen =
terme word geskei deur PLUS+ of MINUS-
maal, deel en hakies skei NIE terme nie
graad = grootste eksponent
koeffisïent = getal EN teken voor veranderlike
veranderlike = onbekende (alfabetiese letters)
konstante = getal EN teken met geen veranderlike
gelyksoortige terme kan + en -
ongelyksoortige terme kan nie + en - nie
a + a = 2a maar a + a + b = 2a + b
2
8y + 4y - 10(y) + y - 5(x) + x + 20
2 2 2
Hoeveel terme is in die uitdrukking ? 7 terme
Wat is die waarde van die konstante term ? +20
kyk die video hier
Skryf die koeffisïent van van y in term 1 : +
Lys die veranderlikes in die uitdrukking : x en y @leerjoulesmetjes
Vereenvoudig die uitdrukking
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Bereken indien y= 1 en x =-2
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www.virtualaupair.co.za
,GRAAD 8 VIRTUAL AU PAIR WISK KW2 algebraïese uitdrukkings B l . |1
Vraag 2 : Sê of die volgende stellings waar of onwaar is.
2.1) ‘n Algebraïese uitdrukking het altyd ‘n = teken : ____________________
2.2) Die graad van ‘n uitdrukking verwys na die grootste eksponent : __________________
2.2) Terme word slegs geskei deur + en - : __________________
2.3) Ongelyksoortige terme kan bymekaar getel word of afgetrek word : ________________
2.4) Die konstante in ‘n uitdrukking verwys na die getal met ‘n veranderlike : _____________
2.5) Veranderlikes verwys na al die alfabetiese letters in ‘n uitdrukking : __________________
2.6) Die koeffisïent verwys na die getal voor ‘n veranderlike : __________________
Vraag 3 : Bestudeer die volgende uitdrukking en beantwoord die vrae.
2ab𝒙𝟐 + 19𝒙𝟑 – 125 + 10a𝒃𝒙𝟐
3.1) Hoeveel terme het hierdie uitdrukking ? __________________
3.2) Wat is die kontante term ? __________________
3.3) Wat is die graad van die uitdrukking ? ___________________
3.4) Wat is die koeffisïent van 𝑥 3 ? ______________________
3.5) Lys al die veranderlikes/onbekendes. ____________________
3.6) Waarom is die gegewe nie ‘n algebraïese vergelyking nie,maar wel ‘n algebraïese
uitdrukking ?
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3.7) Bepaal die waarde van die uitdrukking indien a=3; b=2 en x=1
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3.8) Herrangskik die uitdrukking in dalende magte van x : ________________________________
3.9) Vereenvoudig die uitdrukking : __________________________________________
3.10) Watter 2 terme was gelyksoortig ? ______________________________________
3.11) Is die uitdrukking ‘n trinoom? Verduidelik
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PROPERTY OF VIRTUAL AU PAIR
DO NOT COPY
, GRAAD 8 VIRTUAL AU PAIR WISK KW2 algebraïese uitdrukkings B l . |2
Vraag 5 :
5.1) Skryf ‘n uitdrukking vir ‘n reghoek se omtrek met breedte (a+4) en lengte (a+6)
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5.2) Bereken die voorafgenoemde reghoek se omtrek en oppervlakte indien a=5cm
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Vraag 6 : Vind die waarde van die uitdrukkings indien x=5 en y= -2
6.1) 5x – 10y
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6.2) 5(xy) + x
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6.3) 𝑥 2 + 𝑦 2 - (𝑥𝑦)2
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PROPERTY OF VIRTUAL AU PAIR
DO NOT COPY
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