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  1. ... in standard form, //              f(x) = ax²+bx+ c //     its vertex will be at (x,y) = (-b/2a, f(-b/2a... in vertex form, //              y = a(x-h)² + k //     where the vertex is (h, k ) // To convert between...

    4 Answers · Science & Mathematics · 09/09/2020

  2. b) y = -4x² - 32x - 11 so, y = -4(x² + 8x) - 11 i.e. y = -4(x + 4)² - 11 + 64 Hence, y = -4(x + 4)² + 53 The curve will have a maximum points because the coefficient of x² is negative...i.e.  ∩ shaped This occurs when x = -4...

    2 Answers · Science & Mathematics · 09/09/2020

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