Formule de calcul prescurtat.Test

Formule de calcul prescurtat.Test

8th Grade

10 Qs

quiz-placeholder

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Formule de calcul prescurtat.Test

Formule de calcul prescurtat.Test

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

LAZARCIUC RAMONA

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image
Scrieţi următoarele formule de calcul prescurtat: 
a2-2ab+b2
a2+2ab+b2
a2-2ab-b2
a2-b2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image
Scrieţi următoarele formule de calcul prescurtat: 
m2-2mn+n2
m2+2mn+n2
m2+2mn-n2
m2-n2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image
Scrieţi următoarele formule de calcul prescurtat: 
v2-u2
u2-2uv+v2
u2-v2
u2+2uv+v2

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image
Calculaţi, folosind formule de calcul prescurtat (literele reprezintă numere reale): 
y2-10y+25
y2+10y+25
y2-25
y2-10y-25

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculati (2x + 3)2\left(2x\ +\ 3\right)^2   

 2x2+92x^2+9  

 4x2+12x+94x^2+12x+9  

 4x2+94x^2+9  

 4x2+12x4x^2+12x  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

( x + y )2 =
x2+2xy+y2
x2-2xy+y2
x2+y2
x2-y2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( a + 4 )( a – 4 ) =
a2+16
a2-4
a2-8a+16
a2-16

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