Pergunta

Which of these is the vertex formula? A ((b)/(2a),f((b)/(2a))) B ((2a)/(-b),f((2a)/(-b))) C ((-b)/(2a),f((-b)/(2a))) D ((-2b)/(a),f((-2b)/(a))) D
Solução

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EloáMestre · Tutor por 5 anos
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'C'
Explicação
## Step 1<br />The vertex formula is used to find the vertex of a parabola in a quadratic function. The quadratic function is generally represented in the form \(f(x) = ax^2 + bx + c\), where \(a\), \(b\), and \(c\) are constants.<br /><br />## Step 2<br />The vertex formula is given by \((h, k)\), where \(h = -\frac{b}{2a}\) and \(k = f(h)\).<br /><br />## Step 3<br />Looking at the options provided, we can see that option C matches the vertex formula. It correctly represents the formula for \(h\) as \(-\frac{b}{2a}\) and \(k\) as \(f(h)\).
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