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Sec 7: Parabolas

Homework: 1. Graph and Label all parts of using the graphing calculator 2. Practice 5-3 Worksheet # 1-12. Sec 7: Parabolas. Learning Target: I will graph the equation of a parabola or write an equation given a parabola. Ex 1: Parts of a Parabola and Using the Graphing Calculator.

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Sec 7: Parabolas

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  1. Homework: 1. Graph and Label all parts of using the graphing calculator 2. Practice 5-3 Worksheet #1-12 Sec 7: Parabolas Learning Target: I will graph the equation of a parabola or write an equation given a parabola.

  2. Ex 1: Parts of a Parabola and Using the Graphing Calculator LABEL EACH OF THE FOLLOWING ON THE GRAPH . 1. x-axis, y-axis 2. x-intercept(s),y-intercept(s) 3. Vertex 4. Maximum and/or Minimum 5. The point on the graph at f(-2).

  3. Ex 3: A man throws a ball several feet off the top of a building, landing after x seconds, modeled by the following: • Graph f(x) = -16x² + 33x + 46 with a domain of 0≤ x ≤ 5 and a range of 0 ≤ y ≤ 80. • What do each of the following represent and then label on the graph: • x-axis • y-axis • Relationship between the x and y-axis • x-intercepts • y-intercept • Vertex (tell if max or min) • f(3)

  4. Parabola in Vertex Form • A parabola in vertex form is where (h, k) is the vertex and a is the beginning width (similar to slope) of the parabola.

  5. Ex 4: Graph the following parabolas * What does the negative in front of the equation do?

  6. Ex 5: Write the equation of the parabola

  7. HOMEWORK • Graph and Label all parts of using the graphing calculator • Practice 5-3 Worksheet #1-12 You will need Graph Paper!

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