smithkend smithkend

20-01-2020
Mathematics

contestada

Question 10
Which expression is equivalent to -a .b?
O
-a + b
ob-a
oa.(-b)
(-a)(-6)

Respuesta :

Аноним Аноним

20-01-2020

Answer:

a.(-b) ( third choice)

explanation:

-a+b - there is no plus sign for -a.b.

not -a+b

(-a)(-6)=6a (-negative sign and -negative sign=+positive sign)

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