Parabola Axis of Symmetry: Example 1

Topic

Quadratics

Description

In this example, we are given the quadratic function f(x) = 4x² - 16x + 9. To find the axis of symmetry, we use the formula x = -b / (2a). Here, a = 4 and b = -16. Substituting these values, we get x = 2. Therefore, the axis of symmetry is the vertical line x = 2. This line passes through the vertex of the parabola, dividing it into two identical halves. This can also be used to find the vertex form of the quadratic function.

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