Seudónimo Seudónimo
  • 23-12-2019
  • Mathematics
contestada

Factor completely.

y^2 - 12y + 32

A.
(y + 4)(y + 8)
B.
(y - 4)(y - 8)
C.
(y + 18)(y + 2)
D.
(y - 18)(y - 2)

Respuesta :

jimrgrant1 jimrgrant1
  • 23-12-2019

Answer:

B

Step-by-step explanation:

Given

y² - 12y + 32

Consider the factors of the constant term (+ 32) which sum to give the coefficient of the y- term (- 12)

The factors are - 4 and - 8, since

- 4 × - 8 = 32 and - 4 - 8 = - 12, thus

y² - 12y + 32 = (y - 4)(y - 8) → B

Answer Link
tanisha37
tanisha37 tanisha37
  • 23-12-2019
Y^2-12y+32
Y^2-(8+4)y+32
Y^2-8y-4y+32
Y(y-8)-4(y-8)
(Y-8)(y-4)


It belongs to option C
Answer Link

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