lloveshan lloveshan

19-02-2017
Mathematics

contestada

2xsquare+12x+19
Find the minimum value of f (x)

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Аноним Аноним

19-02-2017

converting to vertex form is one way of doing this
2x^2 + 12x + 19
= 2(x^2 + 6x) + 19
= 2 [ x + 3)^2 - 9] + 19
= 2(x + 3)^2 - 18 + 19
= 2(x + 3)^2 + 1

the minimum value is 1

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