Si x=4 y=-2, troba el valor de 2x+3y−1:
Àlgebra bàsica - 2n ESO

Quiz
•
Mathematics
•
8th Grade
•
Hard
DAVID CALVET RUIZ
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
13
15
1
3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si x=3 y=-2, troba el valor de a2+b2
13
5
10
2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quin és el grau del següent monomi: -2x2yz
3
5
4
Cap de les anteriors
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Redueix la següent expressió: 2x-3x-x
4x
-2x
6x
-6x
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El quadrat d'un nombre més el seu triple
(x+3)2
2x+3x
x+3y
x2+3x
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
la meitat d'un nombre més el doble d'un altre
X/2 +2y
0,5x+2x
x2+2y
Cap de les anteriors
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
cinc vegades la suma d'un nombre menys 3
5+x-3
5x-3
5(x-3)
x5-3
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