Oliver

10-26-2013, 04:01 AM

If a<0 and b\geq 0, which of the following might be NOT negative?

(A) ab

(B) -a^2-b

(C) a-b

(D) a^3-b

Thanks!

(A) ab

(B) -a^2-b

(C) a-b

(D) a^3-b

Thanks!

View Full Version : inequality question

Oliver

10-26-2013, 04:01 AM

If a<0 and b\geq 0, which of the following might be NOT negative?

(A) ab

(B) -a^2-b

(C) a-b

(D) a^3-b

Thanks!

(A) ab

(B) -a^2-b

(C) a-b

(D) a^3-b

Thanks!

nicole

10-26-2013, 04:02 AM

If a<0 and b\geq 0 then ab\leq 0.

So, the value of ab could be equal to zero when b= 0.

Therefore the correct answer is (A).

Hope these help!!;)

So, the value of ab could be equal to zero when b= 0.

Therefore the correct answer is (A).

Hope these help!!;)

Oliver

10-26-2013, 04:02 AM

Thanks for your prompt response!;)

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