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Clavis TMUA Set A Paper 2 · Q10

Paper 2Logic & proofAlgebra

The curve CC has equation y=ax2+bx+cy=ax^2+bx+c, where aa, bb and cc are real constants with a≠0a\neq0.

Let dd be the xx-coordinate of the vertex of CC.

Which one of the following is sufficient on its own to determine the value of dd?

Athe values of aa and cc
Bthe values of bb and cc
Cthe values of aa and bb
Dthe value of the discriminant b2−4acb^2-4ac
Enone of the options above is sufficient on its own

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