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5-7 Analyzing Graphs of Quadratic Functions

5-7 Analyzing Graphs of Quadratic Functions. Algebra II CP. Vertex form y = a(x – h)²+k . Vertex (h, k) Axis of Symmetry x = h Opens up if a>0 Opens down if a<0 Narrower if |a| >1 Wider if |a| < 1. Transformations. From the parent graph y = x², explain how the graph changes. Ex 17:.

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5-7 Analyzing Graphs of Quadratic Functions

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  1. 5-7 Analyzing Graphs of Quadratic Functions Algebra II CP

  2. Vertex form y = a(x – h)²+k • Vertex (h, k) • Axis of Symmetry x = h • Opens up if a>0 • Opens down if a<0 • Narrower if |a| >1 • Wider if |a| < 1

  3. Transformations • From the parent graph y = x², explain how the graph changes

  4. Ex 17: • Identify the vertex, axis of symmetry, and direction of opening for y = 5(x + 3)² - 1

  5. Ex last one: • Identify the vertex, axis of symmetry, and direction of opening for y = ⅓(x - 1)² + 2

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