

Aplicatii_Descompuneri in factori_clasa a VIII-a
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
Sabareanu Lucian-Alexandru
Used 16+ times
FREE Resource
3 Slides • 7 Questions
1
Descompuneri în factori
Clasa a VIII-a
Aplicatii

2
Formule utile
ab±ac=a(b±c)
a2±2ab+b2=(a±b)2
a2−b2=(a+b)(a−b)
3
Multiple Choice
După ce descompunem în factori expesia 4x2+4x obținem:
4(x+1)
4x(x+4)
4x(x+1)
4
Multiple Choice
După ce descompunem în factori expesia
x3+x2+2x+2
obținem:
(x+2)2
x(x+2)2
(x+1)(x2+2)
5
Multiple Choice
După ce descompunem în factori expesia
x2+5x+6
obținem:
(x+2)(x+3)
(x+2)2
(x+3)2
6
Multiple Choice
După ce descompunem în factori expesia
4a2−4a+1
obținem:
(2a−1)2
(2a+1)2
(a−1)2
7
Multiple Choice
După ce descompunem în factori expesia
x2−8
obținem:
(x−4)(x+4)
(x−2)(x+2)
(x−22)(x+22)
8
Multiple Choice
După ce descompunem în factori expesia
x3+4x2+4x
obținem:
(x+2)2
x(x2+4)
x(x+2)2
9
Fill in the Blank
Calculați folosind o formulă de descompunere în factori
20202−20192 și scrieți rezultatul corect.
10
Temă
Descompuneți în factori:
1. 64x2−x
2. x3−16x
3. x2−10x+94. x2−4x−mx+4m
5. 9x2+12x+4
Descompuneri în factori
Clasa a VIII-a
Aplicatii

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