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Mathematics 15 Online
OpenStudy (anonymous):

Which product is negative? A. –3 • 5 • (–6) • 4 B. –7 • (–3) • (–9) • 0 C. –4 • (–6) • (–3) • (–5) D. –3 • 4 • (–2) • (–7)

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (anonymous):

Not sure...

OpenStudy (skullpatrol):

Recall the product of an odd number of negative numbers is negative.

OpenStudy (anonymous):

I know it can't be B. :\

OpenStudy (skullpatrol):

It can't be B because 0 is neither positive nor negative and 0 times any number is 0.

OpenStudy (anonymous):

Yeah

OpenStudy (anonymous):

I don't know what it is :\

OpenStudy (skullpatrol):

Count how many minus signs are in each group.

OpenStudy (anonymous):

3 In D, 2 in A and 4 in C...

OpenStudy (skullpatrol):

If that^ number is odd the result is negative

OpenStudy (anonymous):

So it'd be D???

OpenStudy (skullpatrol):

Good job :D

OpenStudy (anonymous):

Thanks! ^-^

OpenStudy (skullpatrol):

Thanks for trying to learn (^_^)/

OpenStudy (anonymous):

I did x3

OpenStudy (anonymous):

<------------- Now to help people xD

OpenStudy (anonymous):

skull

OpenStudy (skullpatrol):

Wazzup?

OpenStudy (anonymous):

its me youn

OpenStudy (skullpatrol):

Hi

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