Question

2x²- 4x + 1 , x= -3,-2,-1,0,1,2,3 ​

Answer 1

Resposta:

Explicação passo a passo:

x=-3

2.(-3)²-4(-3)+1=

2.9+12+1=

18+12+1=

31

x=-2

2(-2)²-4(-2)+1=

2.4+8+1=

8+8+1=

17

x=-1

2.(-1)²-4.(-1)+1=

2.1+4+1=

2+4+1=

7

x=0

2.0²-4.0+1=

0+0+1=

1

x=1

2.1²-4.1+1=

2.1-4+1=

2-4+1=

-2+1=

-1

x=2

2.2²-4.2+1=

2.4-8+1=

8-8+1=

0+1=

1

x=3

2.3²-4.3+1=

2.9-12+1=

18-12+1=

6+1=

7