Intercept Form
Overview
Goal. Read the x-intercepts from intercept form f(x) = a(x − p)(x − q), find the axis of symmetry midway between them, and substitute to get the vertex.
Zeros of a function (definition). The x-values for which f(x) = 0; on the graph they are the x-intercepts.
Lesson Notes
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Lesson Video
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Interactive Activity
Goal. For f(x) = a(x − p)(x − q), read the x-intercepts p and q, place the axis of symmetry midway between them, and substitute to find the vertex.
Zeros of a function (definition). The x-values for which f(x) = 0; on the graph they are the x-intercepts.