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Descompuneri în factori - metoda grupării termenilor - 1

Total questions: 10

Worksheet time: 19mins

Name
Class
Date
1.

x2-3x+2=

a)

(x-2)(x-1)

b)

(x+2)(x+1)

c)

(x-2)(x+1)

d)

(x+2)(x-1)

2.

x2-xy+xz-yz=

a)

(x+y)(x+z)

b)

(x-y)(x+z)

c)

(x-y)(x-z)

d)

(x+y)(x-z)

3.

x2+2xy+2yz+zx=

a)

(x-2y)(x-z)

b)

(x+2y)(x-z)

c)

(x+2y)(x+z)

d)

(x-2y)(x+z)

4.

x2+5x+4=

a)

(x+4)(x+1)

b)

(x+4)(x-1)

c)

(x-4)(x-1)

d)

(x-4)(x+1)

5.

x2-4x+3=

a)

(x-3)(x+1)

b)

(x-3)(x-1)

c)

(x+3)(x-1)

d)

(x+3)(x+1)

6.

x2+6x+8=

a)

(x-2)(x-4)

b)

(x-2)(x+4)

c)

(x+2)(x-4)

d)

(x+2)(x+4)

7.

8x2+6x+1=

a)

(4x+1)(2x-1)

b)

(4x+1)(2x+1)

c)

(4x-1)(2x-1)

d)

(4x-1)(2x+1)

8.

x2+xy-a(x+y)=

a)

(x-y)(x-a)

b)

(x+y)(x+a)

c)

(x+y)(x-a)

d)

(x-y)(x+a)

9.

a(x+y)-bx-by=

a)

(x+y)(a-b)

b)

(x-y)(a-b)

c)

(x-y)(a+b)

d)

(x+y)(a+b)

10.

Pentru a primi puncte din oficiu, alegeți numărul 1.

a)

2

b)

3

c)

1

d)

4