BrainGurl BrainGurl

25-10-2018
Mathematics

contestada

If a = b – 3, then (b – a)3 = ?
F. –81
G. –27
H. –9
J. 9
K. 27

Respuesta :

altavistard altavistard

25-10-2018

Answer:

27 (Answer K)

Step-by-step explanation:

I'd bet you meant (b – a)^3, which reads "the cube of the difference between b and a."

With a = b - 3, (b - a)^3 becomes (b-[b-3])^3.

Beyond that, we obtain (3)^3, or 27.

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