alenova2p31fei
alenova2p31fei
13-02-2018
Mathematics
contestada
Evaluateeee????????????
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finnianmiller
finnianmiller
13-02-2018
The answer is 15. just replace the letters with the numbers they're equal to.
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PeytonBrainly
PeytonBrainly
13-02-2018
3x^2 - 2xy + 4y^2 ; x = -1 , y = -2
3(-1)^2 - 2(-1)(-2) + 4(-2)^2
3(1) - 4 + 16
3 - 4 + 16
-1 + 16
15
The answer is c) 15
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