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If x and y are both negative when is x-y positive
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If x and y are both negative when is x-y positive
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May 24, 2018
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If x and y are both negative when is x-y positive
Mathematics
high-school
Jaho
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1
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When multiplying two negative numbers the answer is positive
Chad K
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May 27, 2018
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Chad K
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3
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hmm
let's try some numbers
we have 3 scenarios
x>y
x=y
x<y
x>y
x=-1 and y=-2
x-y=-1-(-2)=-1+2=1
it's positive when x>y
x=y
x=-1, y=-1
-1-(-1)=-1+1=0
nope
x<y
x=-2 and y=-1
-2-(-1)=-2+1=-1
nope
x-y is positive when 0>x>y
Hartmut
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May 31, 2018
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Hartmut
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