Tehted hulkliikmetega

Quiz
•
Mathematics
•
8th Grade
•
Hard
Krista Kõiv
Used 48+ times
FREE Resource
24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Millega võrdub hulkliikmete (x+y) ja (x-y) korrutis
x2+y2
x2-2xy+y2
x2-y2
x2+2xy+y2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avalda hulkliikmena kujundi ümbermõõt
seda ei saa arvutada
xy+z
x+y+z
2x+2y+2z
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Millega tuleks jagada hulkliige 3x+5y+z, et tulemus oleks 0?
3x+5y+z
0
sellist hulkliiget pole olemas
-3x-5y-z
suvalise hulkliikmega
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hulkliikmete x+y-z ja x-y+z vahe on
2x+2y+2z
0
2x
2y-2z
2y+2z
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liidetakse kokku kolm järjestikust täisarvu. Neist esimene on 2n. Leia nende täisarvude summa
Mina küll ei tea
Seda ei saa arvutada
6n+6
12
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Arvuta hulkliikme 3x3+2x2-3x-2 väärtus, kui x=1
2
-1
0
1
-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Leia korrutis (-2x2y+5xy2+3x-4y)(-0,5xy)
x3y2-2,5x2y3-1,5x2y+2y2
-x3y2-2,5x2y3-1,5x2y+2xy2
x2y2-2,5x2y3-1,5x2y+2xy2
x3y2-2,5x2y3-1,5x2y+2xy2
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