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# Mini-Quiz: Proof that Product of Two Negative Numbers is Positive

by Ron Kurtus (26 September 2013)

Take this Mini-Quiz to check your understanding of the lesson material.

If you got all three correct, you are on your way to becoming a *Champion in Algebra*. If you had problems, you had better look over the material again.

Do your best

## Resources and references

### Websites

**Why is a negative times a negative a positive?** - Ask Dr. Math - FAQ

### Books

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mini-quiz_product_of_two_negative_numbers.htm**

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## Mini-Quiz: Proof that Product of Two Negative Numbers is Positive