x-coordinate of the vertex (h) = -b / 2a
Alternatively, if you do not want to use any of the above formulas to find the vertex, then you can just complete the square to convert y = ax 2 + bx + c of the form y = a(x - h) 2 + k manually and find the vertex (h, k).
f (x) = a(x - h)2 + k, where (h, k) is the vertex of the parabola. Remember: the "vertex? is the "turning point". When written in "vertex form": |
2 нояб. 2024 г. · Whenever we face a standard form of a parabola y = a·x² + b·x + c , we can use the equations of the vertex coordinates: h = -b/(2a) , k = c - b ... |
This new form of writing a quadratic equation is known as the vertex form of the quadratic equation: y=a(x−h)2+k Or the absolute value equation: y=a∣x−h∣+k |
The vertex form of a parabola is f(x)=a(x-h)^2+k. In this form (h, k) is the vertex of the parabola. This form is often used to graph the quadratic equation. What is Vertex Form? · How to Find Vertex Form |
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