Chapter 4 Quadratic Functions and Factoring - 4.2 Graph Quadratic Function in Vertex or Intercept Form - 4.2 Exercises - Skill Practice - Page 249: 40

-4.5

Work Step by Step

We first find the x-coordinate of the minimum: $$= \frac{3+6}{2} =4.5$$ Thus, the minimum value is: $$= 2(4.5-3)(4.5-6) = -4.5$$

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