contestada

1.What is the factored form of ײ–6×+8?
A.(×–2 ) (×+4)
B.(×–8) (×+1)
C.(×–2) (×–4)
D.(×–8) (×–1
2.what is the factored form of ײ–49?
A.(×–7) (×+7)
B.(×–49) (×+49)
C.(×–7) (×–7)
D.(×–49) (×–49)
3.factor the following expression:ײ+8×+12?
A.(×–6) (×–2)
B.(×+6) (×+2)
C.(×+4) (×–3)
D.(×–4) (×–3)

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Respuesta :

#1

Option C

[tex]\\ \sf\longmapsto (x-2)(x-4)[/tex]

[tex]\\ \sf\longmapsto x(x-4)-2(x-4)[/tex]

[tex]\\ \sf\longmapsto x^2-4x-2x+8[tex]

[tex]\\ \sf\longmapsto x^2-6x+8[/tex]

#2

Option A

[tex]\\ \sf\longmapsto (x-7)(x+7)[/tex]

[tex]\\ \sf\longmapsto x^2-7^2[/tex]

[tex]\\ \sf\longmapsto x^2-49[/tex]

#3

Option A

[tex]\\ \sf\longmapsto (x-6)(x-2)[/tex]

[tex]\\ \sf\longmapsto x^2+6x+2x+12[/tex]

[tex]\\ \sf\longmapsto x^2+8x+12[/tex]

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