Seudónimo
Seudónimo
18-03-2016
Mathematics
contestada
evaluate the following y^2-5y+2
Respuesta :
zexius
zexius
20-03-2016
If y = 3, then you substitute 3 into wherever it says y.
So the original:
y² - 5y + 2
becomes:
3² - 5×3 + 2.
which is:
9 - 15 + 2.
9 - 15 = -6
-6 + 2 = -4.
-4 is the answer.
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