Standard Form: y = ax2 + bx + cX-value of the Vertex: x = -b/2a              Y-intercept: (0,c)
   What are the vertex, axis of symmetry, and    minimum or maximum of y = 2x2 + 8x – 2?
   Graph: y = x2 + 2x +3Now you try: p.206 #23
   What is the vertex form of y = -x2 + 4x – 5?Now you try: p. 206 #27
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4 2 lesson - Graphing in Standard Form

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4 2 lesson - Graphing in Standard Form

  1. 1. Standard Form: y = ax2 + bx + cX-value of the Vertex: x = -b/2a Y-intercept: (0,c)
  2. 2.  What are the vertex, axis of symmetry, and minimum or maximum of y = 2x2 + 8x – 2?
  3. 3.  Graph: y = x2 + 2x +3Now you try: p.206 #23
  4. 4.  What is the vertex form of y = -x2 + 4x – 5?Now you try: p. 206 #27

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