1 Answer

Treur · Answer 1 · 2019-05-21T11:53:54+0000

convert it to vertex form:-

= 2(x^2 + 5.5 x) + 5

= 2[ (x + 2.75)^2 -7.5625) + 5

= 2(x + 2.75)^2 - 15.125 + 5

= 2(x + 2.75)^2 - 10.125

The vertex is at (-2.75, -10.125) answer

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