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What is the sign of -xy?
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What is the sign of -xy?

What is the sign of -xy?-example-1
User Rasean
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2 Answers

5 votes
Thee andser is positive!
User Technotronic
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5 votes

Answer:

Positive

Explanation:

Since x > 0 = x is positive

Since y < 0 = y is negative

Product of positive and negative number is negative.

Therefore,

xy = - xy

- (xy) = -( -xy)

- (xy) = xy [since product of negative and negative is positive]

User NullPumpkinException
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