Interpreting Various Forms of Quadratic Equations (2.1.2) October 2nd, 2015.

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Presentation transcript:

Interpreting Various Forms of Quadratic Equations (2.1.2) October 2nd, 2015

Various Forms of Quadratic Equations Standard Form:. Vertex is found by. Advantage: y-intercept is the value of, the sign of determines whether the parabola faces up or down. Vertex Form: Advantage: vertex is, the sign of determines whether the parabola faces up or down. Factored Form: Advantage: x-intercepts are and, the sign of determines whether the parabola faces up or down, the x-value of the vertex is the midpoint of the x-intercepts (so found by ).

Ex: For each function, find the intercepts, the vertex, the minimum or maximum, and graph the function. a) b) c) (standard form) (vertex form) (factored form)