marberman marberman

03-12-2018
Mathematics

contestada

Factor x2 − 7x + 8.

(x + 8)(x − 1)
Prime
(x − 8)(x − 1)
(x + 8)(x + 1)

Respuesta :

sqdancefan sqdancefan

08-12-2018

Answer:

Prime

Step-by-step explanation:

The roots are irrational. (If they were rational, they would be factors of 8.) As a consequence, the expression has no factoring in integers, making it prime.

_____

Roots are (7±√(7²-32))/2 = 3.5±√4.25.

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Answer Link

arleneriveradalton arleneriveradalton

15-07-2022

Answer:

B

Step-by-step explanation:

Prime

Answer Link

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